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Finding the Fourth Proportional to 115,625.40, 173,442.90 and 36,737.40

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Solution

The fourth proportional to 115,625.40, 173,442.90 and 36,737.40 is: 55,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,625.40 : 173,442.90 = 36,737.40 : x
  2. Step 2: Convert to fraction form
    115,625.40/173,442.90 = 36,737.40/x
  3. Step 3: Cross multiply
    115,625.40x = 173,442.90 × 36,737.40
  4. Step 4: Simplify right side
    115,625.40x = 6,371,841,194.46
  5. Step 5: Solve for x
    x = 6,371,841,194.46/115,625.40
  6. Step 6: Final answer
    x = 55,107.63

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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.