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Finding the Fourth Proportional to 370,233.18, 555,344.91 and 89,752.86

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Solution

The fourth proportional to 370,233.18, 555,344.91 and 89,752.86 is: 134,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,233.18 : 555,344.91 = 89,752.86 : x
  2. Step 2: Convert to fraction form
    370,233.18/555,344.91 = 89,752.86/x
  3. Step 3: Cross multiply
    370,233.18x = 555,344.91 × 89,752.86
  4. Step 4: Simplify right side
    370,233.18x = 49,843,793,958.94
  5. Step 5: Solve for x
    x = 49,843,793,958.94/370,233.18
  6. Step 6: Final answer
    x = 134,628.11

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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.