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Finding the Fourth Proportional to 288,350.84, 432,742.73 and 108,613.59

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Solution

The fourth proportional to 288,350.84, 432,742.73 and 108,613.59 is: 163,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,350.84 : 432,742.73 = 108,613.59 : x
  2. Step 2: Convert to fraction form
    288,350.84/432,742.73 = 108,613.59/x
  3. Step 3: Cross multiply
    288,350.84x = 432,742.73 × 108,613.59
  4. Step 4: Simplify right side
    288,350.84x = 47,001,741,451.70
  5. Step 5: Solve for x
    x = 47,001,741,451.70/288,350.84
  6. Step 6: Final answer
    x = 163,001.92

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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.