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Finding the Fourth Proportional to 93,857.67, 129,526.82 and 51,416.20

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Solution

The fourth proportional to 93,857.67, 129,526.82 and 51,416.20 is: 70,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,857.67 : 129,526.82 = 51,416.20 : x
  2. Step 2: Convert to fraction form
    93,857.67/129,526.82 = 51,416.20/x
  3. Step 3: Cross multiply
    93,857.67x = 129,526.82 × 51,416.20
  4. Step 4: Simplify right side
    93,857.67x = 6,659,776,882.48
  5. Step 5: Solve for x
    x = 6,659,776,882.48/93,857.67
  6. Step 6: Final answer
    x = 70,956.13

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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.