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Finding the Fourth Proportional to 178,177.86, 245,889.36 and 101,695.41

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Solution

The fourth proportional to 178,177.86, 245,889.36 and 101,695.41 is: 140,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,177.86 : 245,889.36 = 101,695.41 : x
  2. Step 2: Convert to fraction form
    178,177.86/245,889.36 = 101,695.41/x
  3. Step 3: Cross multiply
    178,177.86x = 245,889.36 × 101,695.41
  4. Step 4: Simplify right side
    178,177.86x = 25,005,819,279.84
  5. Step 5: Solve for x
    x = 25,005,819,279.84/178,177.86
  6. Step 6: Final answer
    x = 140,341.90

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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.