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Finding the Fourth Proportional to 110,158.97, 152,019.53 and 62,415.54

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Solution

The fourth proportional to 110,158.97, 152,019.53 and 62,415.54 is: 86,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,158.97 : 152,019.53 = 62,415.54 : x
  2. Step 2: Convert to fraction form
    110,158.97/152,019.53 = 62,415.54/x
  3. Step 3: Cross multiply
    110,158.97x = 152,019.53 × 62,415.54
  4. Step 4: Simplify right side
    110,158.97x = 9,488,380,743.42
  5. Step 5: Solve for x
    x = 9,488,380,743.42/110,158.97
  6. Step 6: Final answer
    x = 86,133.53

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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.