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Finding the Fourth Proportional to 238,335.76, 357,503.32 and 60,842.80

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Solution

The fourth proportional to 238,335.76, 357,503.32 and 60,842.80 is: 91,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,335.76 : 357,503.32 = 60,842.80 : x
  2. Step 2: Convert to fraction form
    238,335.76/357,503.32 = 60,842.80/x
  3. Step 3: Cross multiply
    238,335.76x = 357,503.32 × 60,842.80
  4. Step 4: Simplify right side
    238,335.76x = 21,751,502,998.10
  5. Step 5: Solve for x
    x = 21,751,502,998.10/238,335.76
  6. Step 6: Final answer
    x = 91,264.12

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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.