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Finding the Fourth Proportional to 181,672.44, 250,685.58 and 101,078.52

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Solution

The fourth proportional to 181,672.44, 250,685.58 and 101,078.52 is: 139,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,672.44 : 250,685.58 = 101,078.52 : x
  2. Step 2: Convert to fraction form
    181,672.44/250,685.58 = 101,078.52/x
  3. Step 3: Cross multiply
    181,672.44x = 250,685.58 × 101,078.52
  4. Step 4: Simplify right side
    181,672.44x = 25,338,927,411.74
  5. Step 5: Solve for x
    x = 25,338,927,411.74/181,672.44
  6. Step 6: Final answer
    x = 139,475.90

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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.