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Finding the Fourth Proportional to 238,565.60, 357,848.20 and 61,072.32

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Solution

The fourth proportional to 238,565.60, 357,848.20 and 61,072.32 is: 91,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,565.60 : 357,848.20 = 61,072.32 : x
  2. Step 2: Convert to fraction form
    238,565.60/357,848.20 = 61,072.32/x
  3. Step 3: Cross multiply
    238,565.60x = 357,848.20 × 61,072.32
  4. Step 4: Simplify right side
    238,565.60x = 21,854,619,781.82
  5. Step 5: Solve for x
    x = 21,854,619,781.82/238,565.60
  6. Step 6: Final answer
    x = 91,608.43

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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.