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Finding the Fourth Proportional to 243,132.84, 335,258.80 and 158,092.20

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Solution

The fourth proportional to 243,132.84, 335,258.80 and 158,092.20 is: 217,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,132.84 : 335,258.80 = 158,092.20 : x
  2. Step 2: Convert to fraction form
    243,132.84/335,258.80 = 158,092.20/x
  3. Step 3: Cross multiply
    243,132.84x = 335,258.80 × 158,092.20
  4. Step 4: Simplify right side
    243,132.84x = 53,001,801,261.36
  5. Step 5: Solve for x
    x = 53,001,801,261.36/243,132.84
  6. Step 6: Final answer
    x = 217,995.24

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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.