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Finding the Fourth Proportional to 93,658.55, 129,251.16 and 51,220.22

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Solution

The fourth proportional to 93,658.55, 129,251.16 and 51,220.22 is: 70,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,658.55 : 129,251.16 = 51,220.22 : x
  2. Step 2: Convert to fraction form
    93,658.55/129,251.16 = 51,220.22/x
  3. Step 3: Cross multiply
    93,658.55x = 129,251.16 × 51,220.22
  4. Step 4: Simplify right side
    93,658.55x = 6,620,272,204.20
  5. Step 5: Solve for x
    x = 6,620,272,204.20/93,658.55
  6. Step 6: Final answer
    x = 70,685.19

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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.