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Finding the Fourth Proportional to 185,364.90, 278,031.15 and 60,705.90

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Solution

The fourth proportional to 185,364.90, 278,031.15 and 60,705.90 is: 91,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,364.90 : 278,031.15 = 60,705.90 : x
  2. Step 2: Convert to fraction form
    185,364.90/278,031.15 = 60,705.90/x
  3. Step 3: Cross multiply
    185,364.90x = 278,031.15 × 60,705.90
  4. Step 4: Simplify right side
    185,364.90x = 16,878,131,188.79
  5. Step 5: Solve for x
    x = 16,878,131,188.79/185,364.90
  6. Step 6: Final answer
    x = 91,053.54

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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.