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Finding the Fourth Proportional to 148,716.20, 223,295.70 and 60,142.70

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Solution

The fourth proportional to 148,716.20, 223,295.70 and 60,142.70 is: 90,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,716.20 : 223,295.70 = 60,142.70 : x
  2. Step 2: Convert to fraction form
    148,716.20/223,295.70 = 60,142.70/x
  3. Step 3: Cross multiply
    148,716.20x = 223,295.70 × 60,142.70
  4. Step 4: Simplify right side
    148,716.20x = 13,429,607,080.16
  5. Step 5: Solve for x
    x = 13,429,607,080.16/148,716.20
  6. Step 6: Final answer
    x = 90,303.59

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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.