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Finding the Fourth Proportional to 130,462.84, 179,976.90 and 88,035.04

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Solution

The fourth proportional to 130,462.84, 179,976.90 and 88,035.04 is: 121,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,462.84 : 179,976.90 = 88,035.04 : x
  2. Step 2: Convert to fraction form
    130,462.84/179,976.90 = 88,035.04/x
  3. Step 3: Cross multiply
    130,462.84x = 179,976.90 × 88,035.04
  4. Step 4: Simplify right side
    130,462.84x = 15,844,273,590.58
  5. Step 5: Solve for x
    x = 15,844,273,590.58/130,462.84
  6. Step 6: Final answer
    x = 121,446.64

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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.