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Finding the Fourth Proportional to 125,776.48, 173,571.52 and 75,475.52

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Solution

The fourth proportional to 125,776.48, 173,571.52 and 75,475.52 is: 104,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,776.48 : 173,571.52 = 75,475.52 : x
  2. Step 2: Convert to fraction form
    125,776.48/173,571.52 = 75,475.52/x
  3. Step 3: Cross multiply
    125,776.48x = 173,571.52 × 75,475.52
  4. Step 4: Simplify right side
    125,776.48x = 13,100,400,729.19
  5. Step 5: Solve for x
    x = 13,100,400,729.19/125,776.48
  6. Step 6: Final answer
    x = 104,156.20

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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.