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Finding the Fourth Proportional to 169,164.50, 233,447.03 and 93,717.86

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Solution

The fourth proportional to 169,164.50, 233,447.03 and 93,717.86 is: 129,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,164.50 : 233,447.03 = 93,717.86 : x
  2. Step 2: Convert to fraction form
    169,164.50/233,447.03 = 93,717.86/x
  3. Step 3: Cross multiply
    169,164.50x = 233,447.03 × 93,717.86
  4. Step 4: Simplify right side
    169,164.50x = 21,878,156,074.96
  5. Step 5: Solve for x
    x = 21,878,156,074.96/169,164.50
  6. Step 6: Final answer
    x = 129,330.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.