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Finding the Fourth Proportional to 179,292.32, 247,421.32 and 98,718.20

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Solution

The fourth proportional to 179,292.32, 247,421.32 and 98,718.20 is: 136,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,292.32 : 247,421.32 = 98,718.20 : x
  2. Step 2: Convert to fraction form
    179,292.32/247,421.32 = 98,718.20/x
  3. Step 3: Cross multiply
    179,292.32x = 247,421.32 × 98,718.20
  4. Step 4: Simplify right side
    179,292.32x = 24,424,987,352.02
  5. Step 5: Solve for x
    x = 24,424,987,352.02/179,292.32
  6. Step 6: Final answer
    x = 136,229.97

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1.5x scale

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.