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Finding the Fourth Proportional to 118,016.01, 176,852.30 and 72,941.13

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Solution

The fourth proportional to 118,016.01, 176,852.30 and 72,941.13 is: 109,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,016.01 : 176,852.30 = 72,941.13 : x
  2. Step 2: Convert to fraction form
    118,016.01/176,852.30 = 72,941.13/x
  3. Step 3: Cross multiply
    118,016.01x = 176,852.30 × 72,941.13
  4. Step 4: Simplify right side
    118,016.01x = 12,899,806,240.39
  5. Step 5: Solve for x
    x = 12,899,806,240.39/118,016.01
  6. Step 6: Final answer
    x = 109,305.56

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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.