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Finding the Fourth Proportional to 90,001.80, 134,963.82 and 27,657.72

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Solution

The fourth proportional to 90,001.80, 134,963.82 and 27,657.72 is: 41,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.80 : 134,963.82 = 27,657.72 : x
  2. Step 2: Convert to fraction form
    90,001.80/134,963.82 = 27,657.72/x
  3. Step 3: Cross multiply
    90,001.80x = 134,963.82 × 27,657.72
  4. Step 4: Simplify right side
    90,001.80x = 3,732,791,543.69
  5. Step 5: Solve for x
    x = 3,732,791,543.69/90,001.80
  6. Step 6: Final answer
    x = 41,474.63

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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.