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Finding the Fourth Proportional to 93,766.50, 129,400.61 and 51,327.90

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Solution

The fourth proportional to 93,766.50, 129,400.61 and 51,327.90 is: 70,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,766.50 : 129,400.61 = 51,327.90 : x
  2. Step 2: Convert to fraction form
    93,766.50/129,400.61 = 51,327.90/x
  3. Step 3: Cross multiply
    93,766.50x = 129,400.61 × 51,327.90
  4. Step 4: Simplify right side
    93,766.50x = 6,641,861,313.38
  5. Step 5: Solve for x
    x = 6,641,861,313.38/93,766.50
  6. Step 6: Final answer
    x = 70,834.05

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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.