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Finding the Fourth Proportional to 231,010.80, 346,366.35 and 97,854.90

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Solution

The fourth proportional to 231,010.80, 346,366.35 and 97,854.90 is: 146,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,010.80 : 346,366.35 = 97,854.90 : x
  2. Step 2: Convert to fraction form
    231,010.80/346,366.35 = 97,854.90/x
  3. Step 3: Cross multiply
    231,010.80x = 346,366.35 × 97,854.90
  4. Step 4: Simplify right side
    231,010.80x = 33,893,644,542.62
  5. Step 5: Solve for x
    x = 33,893,644,542.62/231,010.80
  6. Step 6: Final answer
    x = 146,718.87

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1.5x scale

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.