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Finding the Fourth Proportional to 148,925.20, 223,387.80 and 133,718.80

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Solution

The fourth proportional to 148,925.20, 223,387.80 and 133,718.80 is: 200,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,925.20 : 223,387.80 = 133,718.80 : x
  2. Step 2: Convert to fraction form
    148,925.20/223,387.80 = 133,718.80/x
  3. Step 3: Cross multiply
    148,925.20x = 223,387.80 × 133,718.80
  4. Step 4: Simplify right side
    148,925.20x = 29,871,148,550.64
  5. Step 5: Solve for x
    x = 29,871,148,550.64/148,925.20
  6. Step 6: Final answer
    x = 200,578.20

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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.