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Finding the Fourth Proportional to 295,726.76, 443,765.82 and 108,869.48

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Solution

The fourth proportional to 295,726.76, 443,765.82 and 108,869.48 is: 163,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,726.76 : 443,765.82 = 108,869.48 : x
  2. Step 2: Convert to fraction form
    295,726.76/443,765.82 = 108,869.48/x
  3. Step 3: Cross multiply
    295,726.76x = 443,765.82 × 108,869.48
  4. Step 4: Simplify right side
    295,726.76x = 48,312,554,065.17
  5. Step 5: Solve for x
    x = 48,312,554,065.17/295,726.76
  6. Step 6: Final answer
    x = 163,368.90

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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.