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Finding the Fourth Proportional to 238,066.96, 357,121.40 and 88,308.84

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Solution

The fourth proportional to 238,066.96, 357,121.40 and 88,308.84 is: 132,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,066.96 : 357,121.40 = 88,308.84 : x
  2. Step 2: Convert to fraction form
    238,066.96/357,121.40 = 88,308.84/x
  3. Step 3: Cross multiply
    238,066.96x = 357,121.40 × 88,308.84
  4. Step 4: Simplify right side
    238,066.96x = 31,536,976,573.18
  5. Step 5: Solve for x
    x = 31,536,976,573.18/238,066.96
  6. Step 6: Final answer
    x = 132,471.03

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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.