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Finding the Fourth Proportional to 110,872.80, 153,001.20 and 60,571.80

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Solution

The fourth proportional to 110,872.80, 153,001.20 and 60,571.80 is: 83,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,872.80 : 153,001.20 = 60,571.80 : x
  2. Step 2: Convert to fraction form
    110,872.80/153,001.20 = 60,571.80/x
  3. Step 3: Cross multiply
    110,872.80x = 153,001.20 × 60,571.80
  4. Step 4: Simplify right side
    110,872.80x = 9,267,558,086.16
  5. Step 5: Solve for x
    x = 9,267,558,086.16/110,872.80
  6. Step 6: Final answer
    x = 83,587.30

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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.