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Finding the Fourth Proportional to 238,312.31, 357,468.16 and 60,819.33

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Solution

The fourth proportional to 238,312.31, 357,468.16 and 60,819.33 is: 91,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,312.31 : 357,468.16 = 60,819.33 : x
  2. Step 2: Convert to fraction form
    238,312.31/357,468.16 = 60,819.33/x
  3. Step 3: Cross multiply
    238,312.31x = 357,468.16 × 60,819.33
  4. Step 4: Simplify right side
    238,312.31x = 21,740,973,683.44
  5. Step 5: Solve for x
    x = 21,740,973,683.44/238,312.31
  6. Step 6: Final answer
    x = 91,228.92

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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.