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Finding the Fourth Proportional to 207,092.16, 310,776.48 and 113,663.52

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Solution

The fourth proportional to 207,092.16, 310,776.48 and 113,663.52 is: 170,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,092.16 : 310,776.48 = 113,663.52 : x
  2. Step 2: Convert to fraction form
    207,092.16/310,776.48 = 113,663.52/x
  3. Step 3: Cross multiply
    207,092.16x = 310,776.48 × 113,663.52
  4. Step 4: Simplify right side
    207,092.16x = 35,323,948,650.01
  5. Step 5: Solve for x
    x = 35,323,948,650.01/207,092.16
  6. Step 6: Final answer
    x = 170,571.15

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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.