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Finding the Fourth Proportional to 92,230.65, 138,364.47 and 33,070.95

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Solution

The fourth proportional to 92,230.65, 138,364.47 and 33,070.95 is: 49,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,230.65 : 138,364.47 = 33,070.95 : x
  2. Step 2: Convert to fraction form
    92,230.65/138,364.47 = 33,070.95/x
  3. Step 3: Cross multiply
    92,230.65x = 138,364.47 × 33,070.95
  4. Step 4: Simplify right side
    92,230.65x = 4,575,844,469.15
  5. Step 5: Solve for x
    x = 4,575,844,469.15/92,230.65
  6. Step 6: Final answer
    x = 49,613.06

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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.