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Finding the Fourth Proportional to 331,689.56, 497,531.59 and 95,032.46

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Solution

The fourth proportional to 331,689.56, 497,531.59 and 95,032.46 is: 142,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,689.56 : 497,531.59 = 95,032.46 : x
  2. Step 2: Convert to fraction form
    331,689.56/497,531.59 = 95,032.46/x
  3. Step 3: Cross multiply
    331,689.56x = 497,531.59 × 95,032.46
  4. Step 4: Simplify right side
    331,689.56x = 47,281,651,931.66
  5. Step 5: Solve for x
    x = 47,281,651,931.66/331,689.56
  6. Step 6: Final answer
    x = 142,547.91

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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.