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Finding the Fourth Proportional to 194,815.70, 292,233.15 and 101,503.70

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Solution

The fourth proportional to 194,815.70, 292,233.15 and 101,503.70 is: 152,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,815.70 : 292,233.15 = 101,503.70 : x
  2. Step 2: Convert to fraction form
    194,815.70/292,233.15 = 101,503.70/x
  3. Step 3: Cross multiply
    194,815.70x = 292,233.15 × 101,503.70
  4. Step 4: Simplify right side
    194,815.70x = 29,662,745,987.66
  5. Step 5: Solve for x
    x = 29,662,745,987.66/194,815.70
  6. Step 6: Final answer
    x = 152,260.55

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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.