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Finding the Fourth Proportional to 114,750.91, 158,432.49 and 71,795.11

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Solution

The fourth proportional to 114,750.91, 158,432.49 and 71,795.11 is: 99,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,750.91 : 158,432.49 = 71,795.11 : x
  2. Step 2: Convert to fraction form
    114,750.91/158,432.49 = 71,795.11/x
  3. Step 3: Cross multiply
    114,750.91x = 158,432.49 × 71,795.11
  4. Step 4: Simplify right side
    114,750.91x = 11,374,678,047.12
  5. Step 5: Solve for x
    x = 11,374,678,047.12/114,750.91
  6. Step 6: Final answer
    x = 99,124.95

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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.