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Finding the Fourth Proportional to 175,091.52, 241,627.42 and 99,640.02

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Solution

The fourth proportional to 175,091.52, 241,627.42 and 99,640.02 is: 137,503.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,091.52 : 241,627.42 = 99,640.02 : x
  2. Step 2: Convert to fraction form
    175,091.52/241,627.42 = 99,640.02/x
  3. Step 3: Cross multiply
    175,091.52x = 241,627.42 × 99,640.02
  4. Step 4: Simplify right side
    175,091.52x = 24,075,760,961.35
  5. Step 5: Solve for x
    x = 24,075,760,961.35/175,091.52
  6. Step 6: Final answer
    x = 137,503.87

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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.