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Finding the Fourth Proportional to 370,011.89, 555,017.87 and 89,529.14

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Solution

The fourth proportional to 370,011.89, 555,017.87 and 89,529.14 is: 134,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,011.89 : 555,017.87 = 89,529.14 : x
  2. Step 2: Convert to fraction form
    370,011.89/555,017.87 = 89,529.14/x
  3. Step 3: Cross multiply
    370,011.89x = 555,017.87 × 89,529.14
  4. Step 4: Simplify right side
    370,011.89x = 49,690,272,585.73
  5. Step 5: Solve for x
    x = 49,690,272,585.73/370,011.89
  6. Step 6: Final answer
    x = 134,293.72

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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.