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Finding the Fourth Proportional to 243,740.20, 365,462.68 and 159,398.56

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Solution

The fourth proportional to 243,740.20, 365,462.68 and 159,398.56 is: 239,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,740.20 : 365,462.68 = 159,398.56 : x
  2. Step 2: Convert to fraction form
    243,740.20/365,462.68 = 159,398.56/x
  3. Step 3: Cross multiply
    243,740.20x = 365,462.68 × 159,398.56
  4. Step 4: Simplify right side
    243,740.20x = 58,254,224,925.74
  5. Step 5: Solve for x
    x = 58,254,224,925.74/243,740.20
  6. Step 6: Final answer
    x = 239,001.30

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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.