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Finding the Fourth Proportional to 185,063.96, 277,710.15 and 72,724.46

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Solution

The fourth proportional to 185,063.96, 277,710.15 and 72,724.46 is: 109,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,063.96 : 277,710.15 = 72,724.46 : x
  2. Step 2: Convert to fraction form
    185,063.96/277,710.15 = 72,724.46/x
  3. Step 3: Cross multiply
    185,063.96x = 277,710.15 × 72,724.46
  4. Step 4: Simplify right side
    185,063.96x = 20,196,319,306.72
  5. Step 5: Solve for x
    x = 20,196,319,306.72/185,063.96
  6. Step 6: Final answer
    x = 109,131.57

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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.