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Finding the Fourth Proportional to 110,233.60, 152,121.75 and 61,174.75

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Solution

The fourth proportional to 110,233.60, 152,121.75 and 61,174.75 is: 84,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,233.60 : 152,121.75 = 61,174.75 : x
  2. Step 2: Convert to fraction form
    110,233.60/152,121.75 = 61,174.75/x
  3. Step 3: Cross multiply
    110,233.60x = 152,121.75 × 61,174.75
  4. Step 4: Simplify right side
    110,233.60x = 9,306,010,025.81
  5. Step 5: Solve for x
    x = 9,306,010,025.81/110,233.60
  6. Step 6: Final answer
    x = 84,420.81

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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.