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Finding the Fourth Proportional to 242,561.70, 363,842.55 and 149,120.10

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Solution

The fourth proportional to 242,561.70, 363,842.55 and 149,120.10 is: 223,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,561.70 : 363,842.55 = 149,120.10 : x
  2. Step 2: Convert to fraction form
    242,561.70/363,842.55 = 149,120.10/x
  3. Step 3: Cross multiply
    242,561.70x = 363,842.55 × 149,120.10
  4. Step 4: Simplify right side
    242,561.70x = 54,256,237,440.26
  5. Step 5: Solve for x
    x = 54,256,237,440.26/242,561.70
  6. Step 6: Final answer
    x = 223,680.15

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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.