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Finding the Fourth Proportional to 147,626.40, 221,468.40 and 63,386.40

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Solution

The fourth proportional to 147,626.40, 221,468.40 and 63,386.40 is: 95,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,626.40 : 221,468.40 = 63,386.40 : x
  2. Step 2: Convert to fraction form
    147,626.40/221,468.40 = 63,386.40/x
  3. Step 3: Cross multiply
    147,626.40x = 221,468.40 × 63,386.40
  4. Step 4: Simplify right side
    147,626.40x = 14,038,084,589.76
  5. Step 5: Solve for x
    x = 14,038,084,589.76/147,626.40
  6. Step 6: Final answer
    x = 95,091.97

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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.