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Finding the Fourth Proportional to 126,032.15, 173,887.16 and 75,019.16

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Solution

The fourth proportional to 126,032.15, 173,887.16 and 75,019.16 is: 103,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,032.15 : 173,887.16 = 75,019.16 : x
  2. Step 2: Convert to fraction form
    126,032.15/173,887.16 = 75,019.16/x
  3. Step 3: Cross multiply
    126,032.15x = 173,887.16 × 75,019.16
  4. Step 4: Simplify right side
    126,032.15x = 13,044,868,737.61
  5. Step 5: Solve for x
    x = 13,044,868,737.61/126,032.15
  6. Step 6: Final answer
    x = 103,504.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.