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Finding the Fourth Proportional to 178,291.86, 246,011.46 and 101,776.02

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Solution

The fourth proportional to 178,291.86, 246,011.46 and 101,776.02 is: 140,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,291.86 : 246,011.46 = 101,776.02 : x
  2. Step 2: Convert to fraction form
    178,291.86/246,011.46 = 101,776.02/x
  3. Step 3: Cross multiply
    178,291.86x = 246,011.46 × 101,776.02
  4. Step 4: Simplify right side
    178,291.86x = 25,038,067,273.19
  5. Step 5: Solve for x
    x = 25,038,067,273.19/178,291.86
  6. Step 6: Final answer
    x = 140,433.04

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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.