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Finding the Fourth Proportional to 179,465.76, 247,651.61 and 98,888.78

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Solution

The fourth proportional to 179,465.76, 247,651.61 and 98,888.78 is: 136,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,465.76 : 247,651.61 = 98,888.78 : x
  2. Step 2: Convert to fraction form
    179,465.76/247,651.61 = 98,888.78/x
  3. Step 3: Cross multiply
    179,465.76x = 247,651.61 × 98,888.78
  4. Step 4: Simplify right side
    179,465.76x = 24,489,965,577.94
  5. Step 5: Solve for x
    x = 24,489,965,577.94/179,465.76
  6. Step 6: Final answer
    x = 136,460.38

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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.