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Finding the Fourth Proportional to 163,180.12, 243,414.13 and 160,473.48

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Solution

The fourth proportional to 163,180.12, 243,414.13 and 160,473.48 is: 239,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,180.12 : 243,414.13 = 160,473.48 : x
  2. Step 2: Convert to fraction form
    163,180.12/243,414.13 = 160,473.48/x
  3. Step 3: Cross multiply
    163,180.12x = 243,414.13 × 160,473.48
  4. Step 4: Simplify right side
    163,180.12x = 39,061,512,522.27
  5. Step 5: Solve for x
    x = 39,061,512,522.27/163,180.12
  6. Step 6: Final answer
    x = 239,376.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.