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Finding the Fourth Proportional to 110,565.70, 165,848.55 and 40,452.10

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Solution

The fourth proportional to 110,565.70, 165,848.55 and 40,452.10 is: 60,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,565.70 : 165,848.55 = 40,452.10 : x
  2. Step 2: Convert to fraction form
    110,565.70/165,848.55 = 40,452.10/x
  3. Step 3: Cross multiply
    110,565.70x = 165,848.55 × 40,452.10
  4. Step 4: Simplify right side
    110,565.70x = 6,708,922,129.46
  5. Step 5: Solve for x
    x = 6,708,922,129.46/110,565.70
  6. Step 6: Final answer
    x = 60,678.15

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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.