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Finding the Fourth Proportional to 93,952.28, 129,655.42 and 51,510.72

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Solution

The fourth proportional to 93,952.28, 129,655.42 and 51,510.72 is: 71,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,952.28 : 129,655.42 = 51,510.72 : x
  2. Step 2: Convert to fraction form
    93,952.28/129,655.42 = 51,510.72/x
  3. Step 3: Cross multiply
    93,952.28x = 129,655.42 × 51,510.72
  4. Step 4: Simplify right side
    93,952.28x = 6,678,644,036.10
  5. Step 5: Solve for x
    x = 6,678,644,036.10/93,952.28
  6. Step 6: Final answer
    x = 71,085.49

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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.