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Finding the Fourth Proportional to 101,577.60, 152,074.80 and 62,211.60

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Solution

The fourth proportional to 101,577.60, 152,074.80 and 62,211.60 is: 93,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,577.60 : 152,074.80 = 62,211.60 : x
  2. Step 2: Convert to fraction form
    101,577.60/152,074.80 = 62,211.60/x
  3. Step 3: Cross multiply
    101,577.60x = 152,074.80 × 62,211.60
  4. Step 4: Simplify right side
    101,577.60x = 9,460,816,627.68
  5. Step 5: Solve for x
    x = 9,460,816,627.68/101,577.60
  6. Step 6: Final answer
    x = 93,138.81

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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.