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Finding the Fourth Proportional to 242,720.96, 364,246.56 and 148,940.48

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Solution

The fourth proportional to 242,720.96, 364,246.56 and 148,940.48 is: 223,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,720.96 : 364,246.56 = 148,940.48 : x
  2. Step 2: Convert to fraction form
    242,720.96/364,246.56 = 148,940.48/x
  3. Step 3: Cross multiply
    242,720.96x = 364,246.56 × 148,940.48
  4. Step 4: Simplify right side
    242,720.96x = 54,251,057,484.75
  5. Step 5: Solve for x
    x = 54,251,057,484.75/242,720.96
  6. Step 6: Final answer
    x = 223,512.04

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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.