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Finding the Fourth Proportional to 144,907.20, 196,246.80 and 144,907.20

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Solution

The fourth proportional to 144,907.20, 196,246.80 and 144,907.20 is: 196,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,907.20 : 196,246.80 = 144,907.20 : x
  2. Step 2: Convert to fraction form
    144,907.20/196,246.80 = 144,907.20/x
  3. Step 3: Cross multiply
    144,907.20x = 196,246.80 × 144,907.20
  4. Step 4: Simplify right side
    144,907.20x = 28,437,574,296.96
  5. Step 5: Solve for x
    x = 28,437,574,296.96/144,907.20
  6. Step 6: Final answer
    x = 196,246.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.