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Finding the Fourth Proportional to 158,626.42, 218,829.02 and 94,951.92

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Solution

The fourth proportional to 158,626.42, 218,829.02 and 94,951.92 is: 130,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,626.42 : 218,829.02 = 94,951.92 : x
  2. Step 2: Convert to fraction form
    158,626.42/218,829.02 = 94,951.92/x
  3. Step 3: Cross multiply
    158,626.42x = 218,829.02 × 94,951.92
  4. Step 4: Simplify right side
    158,626.42x = 20,778,235,600.72
  5. Step 5: Solve for x
    x = 20,778,235,600.72/158,626.42
  6. Step 6: Final answer
    x = 130,988.49

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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.