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Finding the Fourth Proportional to 179,497.68, 247,708.50 and 98,928.16

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Solution

The fourth proportional to 179,497.68, 247,708.50 and 98,928.16 is: 136,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,497.68 : 247,708.50 = 98,928.16 : x
  2. Step 2: Convert to fraction form
    179,497.68/247,708.50 = 98,928.16/x
  3. Step 3: Cross multiply
    179,497.68x = 247,708.50 × 98,928.16
  4. Step 4: Simplify right side
    179,497.68x = 24,505,346,121.36
  5. Step 5: Solve for x
    x = 24,505,346,121.36/179,497.68
  6. Step 6: Final answer
    x = 136,521.80

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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.