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Finding the Fourth Proportional to 93,689.64, 129,294.36 and 51,250.86

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Solution

The fourth proportional to 93,689.64, 129,294.36 and 51,250.86 is: 70,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,689.64 : 129,294.36 = 51,250.86 : x
  2. Step 2: Convert to fraction form
    93,689.64/129,294.36 = 51,250.86/x
  3. Step 3: Cross multiply
    93,689.64x = 129,294.36 × 51,250.86
  4. Step 4: Simplify right side
    93,689.64x = 6,626,447,143.15
  5. Step 5: Solve for x
    x = 6,626,447,143.15/93,689.64
  6. Step 6: Final answer
    x = 70,727.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.