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Finding the Fourth Proportional to 112,807.68, 169,216.54 and 62,849.92

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Solution

The fourth proportional to 112,807.68, 169,216.54 and 62,849.92 is: 94,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,807.68 : 169,216.54 = 62,849.92 : x
  2. Step 2: Convert to fraction form
    112,807.68/169,216.54 = 62,849.92/x
  3. Step 3: Cross multiply
    112,807.68x = 169,216.54 × 62,849.92
  4. Step 4: Simplify right side
    112,807.68x = 10,635,246,001.68
  5. Step 5: Solve for x
    x = 10,635,246,001.68/112,807.68
  6. Step 6: Final answer
    x = 94,277.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.