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Finding the Fourth Proportional to 152,687.76, 229,177.44 and 93,638.76

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Solution

The fourth proportional to 152,687.76, 229,177.44 and 93,638.76 is: 140,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,687.76 : 229,177.44 = 93,638.76 : x
  2. Step 2: Convert to fraction form
    152,687.76/229,177.44 = 93,638.76/x
  3. Step 3: Cross multiply
    152,687.76x = 229,177.44 × 93,638.76
  4. Step 4: Simplify right side
    152,687.76x = 21,459,891,301.57
  5. Step 5: Solve for x
    x = 21,459,891,301.57/152,687.76
  6. Step 6: Final answer
    x = 140,547.55

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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.