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Finding the Fourth Proportional to 118,616.59, 177,924.88 and 48,479.50

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Solution

The fourth proportional to 118,616.59, 177,924.88 and 48,479.50 is: 72,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,616.59 : 177,924.88 = 48,479.50 : x
  2. Step 2: Convert to fraction form
    118,616.59/177,924.88 = 48,479.50/x
  3. Step 3: Cross multiply
    118,616.59x = 177,924.88 × 48,479.50
  4. Step 4: Simplify right side
    118,616.59x = 8,625,708,835.75
  5. Step 5: Solve for x
    x = 8,625,708,835.75/118,616.59
  6. Step 6: Final answer
    x = 72,719.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.