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Finding the Fourth Proportional to 248,306.70, 372,613.95 and 130,062.90

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Solution

The fourth proportional to 248,306.70, 372,613.95 and 130,062.90 is: 195,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,306.70 : 372,613.95 = 130,062.90 : x
  2. Step 2: Convert to fraction form
    248,306.70/372,613.95 = 130,062.90/x
  3. Step 3: Cross multiply
    248,306.70x = 372,613.95 × 130,062.90
  4. Step 4: Simplify right side
    248,306.70x = 48,463,250,917.46
  5. Step 5: Solve for x
    x = 48,463,250,917.46/248,306.70
  6. Step 6: Final answer
    x = 195,174.96

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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.