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Finding the Fourth Proportional to 238,498.88, 357,800.95 and 132,038.15

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Solution

The fourth proportional to 238,498.88, 357,800.95 and 132,038.15 is: 198,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,498.88 : 357,800.95 = 132,038.15 : x
  2. Step 2: Convert to fraction form
    238,498.88/357,800.95 = 132,038.15/x
  3. Step 3: Cross multiply
    238,498.88x = 357,800.95 × 132,038.15
  4. Step 4: Simplify right side
    238,498.88x = 47,243,375,152.20
  5. Step 5: Solve for x
    x = 47,243,375,152.20/238,498.88
  6. Step 6: Final answer
    x = 198,086.36

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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.