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Finding the Fourth Proportional to 173,675.90, 260,513.85 and 103,691.90

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Solution

The fourth proportional to 173,675.90, 260,513.85 and 103,691.90 is: 155,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,675.90 : 260,513.85 = 103,691.90 : x
  2. Step 2: Convert to fraction form
    173,675.90/260,513.85 = 103,691.90/x
  3. Step 3: Cross multiply
    173,675.90x = 260,513.85 × 103,691.90
  4. Step 4: Simplify right side
    173,675.90x = 27,013,176,082.82
  5. Step 5: Solve for x
    x = 27,013,176,082.82/173,675.90
  6. Step 6: Final answer
    x = 155,537.85

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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.