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Finding the Fourth Proportional to 354,801.31, 532,286.70 and 118,146.04

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Solution

The fourth proportional to 354,801.31, 532,286.70 and 118,146.04 is: 177,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,801.31 : 532,286.70 = 118,146.04 : x
  2. Step 2: Convert to fraction form
    354,801.31/532,286.70 = 118,146.04/x
  3. Step 3: Cross multiply
    354,801.31x = 532,286.70 × 118,146.04
  4. Step 4: Simplify right side
    354,801.31x = 62,887,565,749.67
  5. Step 5: Solve for x
    x = 62,887,565,749.67/354,801.31
  6. Step 6: Final answer
    x = 177,247.28

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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.