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Finding the Fourth Proportional to 243,454.56, 335,777.58 and 156,248.16

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Solution

The fourth proportional to 243,454.56, 335,777.58 and 156,248.16 is: 215,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,454.56 : 335,777.58 = 156,248.16 : x
  2. Step 2: Convert to fraction form
    243,454.56/335,777.58 = 156,248.16/x
  3. Step 3: Cross multiply
    243,454.56x = 335,777.58 × 156,248.16
  4. Step 4: Simplify right side
    243,454.56x = 52,464,629,044.25
  5. Step 5: Solve for x
    x = 52,464,629,044.25/243,454.56
  6. Step 6: Final answer
    x = 215,500.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.