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Finding the Fourth Proportional to 175,040, 262,139.01 and 99,932.42

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Solution

The fourth proportional to 175,040, 262,139.01 and 99,932.42 is: 149,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,040 : 262,139.01 = 99,932.42 : x
  2. Step 2: Convert to fraction form
    175,040/262,139.01 = 99,932.42/x
  3. Step 3: Cross multiply
    175,040x = 262,139.01 × 99,932.42
  4. Step 4: Simplify right side
    175,040x = 26,196,185,645.70
  5. Step 5: Solve for x
    x = 26,196,185,645.70/175,040
  6. Step 6: Final answer
    x = 149,658.28

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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.