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Finding the Fourth Proportional to 179,354.88, 247,509.72 and 98,781.72

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Solution

The fourth proportional to 179,354.88, 247,509.72 and 98,781.72 is: 136,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,354.88 : 247,509.72 = 98,781.72 : x
  2. Step 2: Convert to fraction form
    179,354.88/247,509.72 = 98,781.72/x
  3. Step 3: Cross multiply
    179,354.88x = 247,509.72 × 98,781.72
  4. Step 4: Simplify right side
    179,354.88x = 24,449,435,858.32
  5. Step 5: Solve for x
    x = 24,449,435,858.32/179,354.88
  6. Step 6: Final answer
    x = 136,318.77

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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.