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Finding the Fourth Proportional to 238,089.29, 357,122.39 and 88,358.76

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Solution

The fourth proportional to 238,089.29, 357,122.39 and 88,358.76 is: 132,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,089.29 : 357,122.39 = 88,358.76 : x
  2. Step 2: Convert to fraction form
    238,089.29/357,122.39 = 88,358.76/x
  3. Step 3: Cross multiply
    238,089.29x = 357,122.39 × 88,358.76
  4. Step 4: Simplify right side
    238,089.29x = 31,554,891,106.84
  5. Step 5: Solve for x
    x = 31,554,891,106.84/238,089.29
  6. Step 6: Final answer
    x = 132,533.86

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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.