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Finding the Fourth Proportional to 88,712.52, 133,089.99 and 29,548.71

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Solution

The fourth proportional to 88,712.52, 133,089.99 and 29,548.71 is: 44,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.52 : 133,089.99 = 29,548.71 : x
  2. Step 2: Convert to fraction form
    88,712.52/133,089.99 = 29,548.71/x
  3. Step 3: Cross multiply
    88,712.52x = 133,089.99 × 29,548.71
  4. Step 4: Simplify right side
    88,712.52x = 3,932,637,518.41
  5. Step 5: Solve for x
    x = 3,932,637,518.41/88,712.52
  6. Step 6: Final answer
    x = 44,330.13

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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.