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Finding the Fourth Proportional to 161,194.61, 241,728.56 and 54,549.20

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Solution

The fourth proportional to 161,194.61, 241,728.56 and 54,549.20 is: 81,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,194.61 : 241,728.56 = 54,549.20 : x
  2. Step 2: Convert to fraction form
    161,194.61/241,728.56 = 54,549.20/x
  3. Step 3: Cross multiply
    161,194.61x = 241,728.56 × 54,549.20
  4. Step 4: Simplify right side
    161,194.61x = 13,186,098,083.76
  5. Step 5: Solve for x
    x = 13,186,098,083.76/161,194.61
  6. Step 6: Final answer
    x = 81,802.35

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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.