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Finding the Fourth Proportional to 148,800.60, 223,200.90 and 137,395.80

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Solution

The fourth proportional to 148,800.60, 223,200.90 and 137,395.80 is: 206,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,800.60 : 223,200.90 = 137,395.80 : x
  2. Step 2: Convert to fraction form
    148,800.60/223,200.90 = 137,395.80/x
  3. Step 3: Cross multiply
    148,800.60x = 223,200.90 × 137,395.80
  4. Step 4: Simplify right side
    148,800.60x = 30,666,866,216.22
  5. Step 5: Solve for x
    x = 30,666,866,216.22/148,800.60
  6. Step 6: Final answer
    x = 206,093.70

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1.5x scale

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.