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Finding the Fourth Proportional to 101,601.70, 152,402.55 and 94,689.70

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Solution

The fourth proportional to 101,601.70, 152,402.55 and 94,689.70 is: 142,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,601.70 : 152,402.55 = 94,689.70 : x
  2. Step 2: Convert to fraction form
    101,601.70/152,402.55 = 94,689.70/x
  3. Step 3: Cross multiply
    101,601.70x = 152,402.55 × 94,689.70
  4. Step 4: Simplify right side
    101,601.70x = 14,430,951,738.74
  5. Step 5: Solve for x
    x = 14,430,951,738.74/101,601.70
  6. Step 6: Final answer
    x = 142,034.55

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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.