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Finding the Fourth Proportional to 179,633.92, 247,894.70 and 103,158.02

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Solution

The fourth proportional to 179,633.92, 247,894.70 and 103,158.02 is: 142,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,633.92 : 247,894.70 = 103,158.02 : x
  2. Step 2: Convert to fraction form
    179,633.92/247,894.70 = 103,158.02/x
  3. Step 3: Cross multiply
    179,633.92x = 247,894.70 × 103,158.02
  4. Step 4: Simplify right side
    179,633.92x = 25,572,326,420.49
  5. Step 5: Solve for x
    x = 25,572,326,420.49/179,633.92
  6. Step 6: Final answer
    x = 142,358.00

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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.