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Finding the Fourth Proportional to 357,481.52, 536,221.80 and 91,242.04

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Solution

The fourth proportional to 357,481.52, 536,221.80 and 91,242.04 is: 136,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,481.52 : 536,221.80 = 91,242.04 : x
  2. Step 2: Convert to fraction form
    357,481.52/536,221.80 = 91,242.04/x
  3. Step 3: Cross multiply
    357,481.52x = 536,221.80 × 91,242.04
  4. Step 4: Simplify right side
    357,481.52x = 48,925,970,924.47
  5. Step 5: Solve for x
    x = 48,925,970,924.47/357,481.52
  6. Step 6: Final answer
    x = 136,862.94

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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.