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Finding the Fourth Proportional to 158,432.52, 218,630.40 and 94,805.40

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Solution

The fourth proportional to 158,432.52, 218,630.40 and 94,805.40 is: 130,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,432.52 : 218,630.40 = 94,805.40 : x
  2. Step 2: Convert to fraction form
    158,432.52/218,630.40 = 94,805.40/x
  3. Step 3: Cross multiply
    158,432.52x = 218,630.40 × 94,805.40
  4. Step 4: Simplify right side
    158,432.52x = 20,727,342,524.16
  5. Step 5: Solve for x
    x = 20,727,342,524.16/158,432.52
  6. Step 6: Final answer
    x = 130,827.58

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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.