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Finding the Fourth Proportional to 173,678.30, 260,517.45 and 117,545.30

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Solution

The fourth proportional to 173,678.30, 260,517.45 and 117,545.30 is: 176,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,678.30 : 260,517.45 = 117,545.30 : x
  2. Step 2: Convert to fraction form
    173,678.30/260,517.45 = 117,545.30/x
  3. Step 3: Cross multiply
    173,678.30x = 260,517.45 × 117,545.30
  4. Step 4: Simplify right side
    173,678.30x = 30,622,601,815.49
  5. Step 5: Solve for x
    x = 30,622,601,815.49/173,678.30
  6. Step 6: Final answer
    x = 176,317.95

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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.