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Finding the Fourth Proportional to 147,643,287.10, 221,464,930.65 and 147,643,287.10

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Solution

The fourth proportional to 147,643,287.10, 221,464,930.65 and 147,643,287.10 is: 221,464,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,643,287.10 : 221,464,930.65 = 147,643,287.10 : x
  2. Step 2: Convert to fraction form
    147,643,287.10/221,464,930.65 = 147,643,287.10/x
  3. Step 3: Cross multiply
    147,643,287.10x = 221,464,930.65 × 147,643,287.10
  4. Step 4: Simplify right side
    147,643,287.10x = 32,697,810,338,539,540
  5. Step 5: Solve for x
    x = 32,697,810,338,539,540/147,643,287.10
  6. Step 6: Final answer
    x = 221,464,930.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.