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Finding the Fourth Proportional to 93,770.62, 129,404.68 and 51,328.24

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Solution

The fourth proportional to 93,770.62, 129,404.68 and 51,328.24 is: 70,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,770.62 : 129,404.68 = 51,328.24 : x
  2. Step 2: Convert to fraction form
    93,770.62/129,404.68 = 51,328.24/x
  3. Step 3: Cross multiply
    93,770.62x = 129,404.68 × 51,328.24
  4. Step 4: Simplify right side
    93,770.62x = 6,642,114,472.16
  5. Step 5: Solve for x
    x = 6,642,114,472.16/93,770.62
  6. Step 6: Final answer
    x = 70,833.64

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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.