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Finding the Fourth Proportional to 202,641.18, 279,655.45 and 116,613.27

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Solution

The fourth proportional to 202,641.18, 279,655.45 and 116,613.27 is: 160,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,641.18 : 279,655.45 = 116,613.27 : x
  2. Step 2: Convert to fraction form
    202,641.18/279,655.45 = 116,613.27/x
  3. Step 3: Cross multiply
    202,641.18x = 279,655.45 × 116,613.27
  4. Step 4: Simplify right side
    202,641.18x = 32,611,537,255.00
  5. Step 5: Solve for x
    x = 32,611,537,255.00/202,641.18
  6. Step 6: Final answer
    x = 160,932.43

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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.