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Finding the Fourth Proportional to 110,097.92, 151,998.08 and 72,481.52

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Solution

The fourth proportional to 110,097.92, 151,998.08 and 72,481.52 is: 100,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,097.92 : 151,998.08 = 72,481.52 : x
  2. Step 2: Convert to fraction form
    110,097.92/151,998.08 = 72,481.52/x
  3. Step 3: Cross multiply
    110,097.92x = 151,998.08 × 72,481.52
  4. Step 4: Simplify right side
    110,097.92x = 11,017,051,875.48
  5. Step 5: Solve for x
    x = 11,017,051,875.48/110,097.92
  6. Step 6: Final answer
    x = 100,065.94

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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.