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Finding the Fourth Proportional to 178,177.94, 245,889.54 and 101,695.52

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Solution

The fourth proportional to 178,177.94, 245,889.54 and 101,695.52 is: 140,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,177.94 : 245,889.54 = 101,695.52 : x
  2. Step 2: Convert to fraction form
    178,177.94/245,889.54 = 101,695.52/x
  3. Step 3: Cross multiply
    178,177.94x = 245,889.54 × 101,695.52
  4. Step 4: Simplify right side
    178,177.94x = 25,005,864,632.86
  5. Step 5: Solve for x
    x = 25,005,864,632.86/178,177.94
  6. Step 6: Final answer
    x = 140,342.09

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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.