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Finding the Fourth Proportional to 179,488.62, 247,695.96 and 98,919.06

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Solution

The fourth proportional to 179,488.62, 247,695.96 and 98,919.06 is: 136,509.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,488.62 : 247,695.96 = 98,919.06 : x
  2. Step 2: Convert to fraction form
    179,488.62/247,695.96 = 98,919.06/x
  3. Step 3: Cross multiply
    179,488.62x = 247,695.96 × 98,919.06
  4. Step 4: Simplify right side
    179,488.62x = 24,501,851,529.00
  5. Step 5: Solve for x
    x = 24,501,851,529.00/179,488.62
  6. Step 6: Final answer
    x = 136,509.22

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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.