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Finding the Fourth Proportional to 251,432.61, 377,112.00 and 101,669.58

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Solution

The fourth proportional to 251,432.61, 377,112.00 and 101,669.58 is: 152,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,432.61 : 377,112.00 = 101,669.58 : x
  2. Step 2: Convert to fraction form
    251,432.61/377,112.00 = 101,669.58/x
  3. Step 3: Cross multiply
    251,432.61x = 377,112.00 × 101,669.58
  4. Step 4: Simplify right side
    251,432.61x = 38,340,819,034.22
  5. Step 5: Solve for x
    x = 38,340,819,034.22/251,432.61
  6. Step 6: Final answer
    x = 152,489.45

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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.