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Finding the Fourth Proportional to 179,632.52, 247,892.88 and 103,156.64

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Solution

The fourth proportional to 179,632.52, 247,892.88 and 103,156.64 is: 142,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,632.52 : 247,892.88 = 103,156.64 : x
  2. Step 2: Convert to fraction form
    179,632.52/247,892.88 = 103,156.64/x
  3. Step 3: Cross multiply
    179,632.52x = 247,892.88 × 103,156.64
  4. Step 4: Simplify right side
    179,632.52x = 25,571,796,580.72
  5. Step 5: Solve for x
    x = 25,571,796,580.72/179,632.52
  6. Step 6: Final answer
    x = 142,356.16

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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.