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Finding the Fourth Proportional to 238,535.60, 357,803.08 and 61,042.66

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Solution

The fourth proportional to 238,535.60, 357,803.08 and 61,042.66 is: 91,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,535.60 : 357,803.08 = 61,042.66 : x
  2. Step 2: Convert to fraction form
    238,535.60/357,803.08 = 61,042.66/x
  3. Step 3: Cross multiply
    238,535.60x = 357,803.08 × 61,042.66
  4. Step 4: Simplify right side
    238,535.60x = 21,841,251,759.39
  5. Step 5: Solve for x
    x = 21,841,251,759.39/238,535.60
  6. Step 6: Final answer
    x = 91,563.91

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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.