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Finding the Fourth Proportional to 71,038.08, 106,439.99 and 63,713.48

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Solution

The fourth proportional to 71,038.08, 106,439.99 and 63,713.48 is: 95,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,038.08 : 106,439.99 = 63,713.48 : x
  2. Step 2: Convert to fraction form
    71,038.08/106,439.99 = 63,713.48/x
  3. Step 3: Cross multiply
    71,038.08x = 106,439.99 × 63,713.48
  4. Step 4: Simplify right side
    71,038.08x = 6,781,661,323.30
  5. Step 5: Solve for x
    x = 6,781,661,323.30/71,038.08
  6. Step 6: Final answer
    x = 95,465.16

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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.