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Finding the Fourth Proportional to 454,154.67, 681,228.59 and 117,166.68

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Solution

The fourth proportional to 454,154.67, 681,228.59 and 117,166.68 is: 175,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,154.67 : 681,228.59 = 117,166.68 : x
  2. Step 2: Convert to fraction form
    454,154.67/681,228.59 = 117,166.68/x
  3. Step 3: Cross multiply
    454,154.67x = 681,228.59 × 117,166.68
  4. Step 4: Simplify right side
    454,154.67x = 79,817,288,512.32
  5. Step 5: Solve for x
    x = 79,817,288,512.32/454,154.67
  6. Step 6: Final answer
    x = 175,749.13

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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.