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Finding the Fourth Proportional to 149,366.80, 224,050.20 and 136,925.20

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Solution

The fourth proportional to 149,366.80, 224,050.20 and 136,925.20 is: 205,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,366.80 : 224,050.20 = 136,925.20 : x
  2. Step 2: Convert to fraction form
    149,366.80/224,050.20 = 136,925.20/x
  3. Step 3: Cross multiply
    149,366.80x = 224,050.20 × 136,925.20
  4. Step 4: Simplify right side
    149,366.80x = 30,678,118,445.04
  5. Step 5: Solve for x
    x = 30,678,118,445.04/149,366.80
  6. Step 6: Final answer
    x = 205,387.80

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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.