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Finding the Fourth Proportional to 110,500.98, 152,451.35 and 72,282.35

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Solution

The fourth proportional to 110,500.98, 152,451.35 and 72,282.35 is: 99,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,500.98 : 152,451.35 = 72,282.35 : x
  2. Step 2: Convert to fraction form
    110,500.98/152,451.35 = 72,282.35/x
  3. Step 3: Cross multiply
    110,500.98x = 152,451.35 × 72,282.35
  4. Step 4: Simplify right side
    110,500.98x = 11,019,541,257.12
  5. Step 5: Solve for x
    x = 11,019,541,257.12/110,500.98
  6. Step 6: Final answer
    x = 99,723.47

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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.