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Finding the Fourth Proportional to 118,585.60, 177,727.20 and 48,385.60

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Solution

The fourth proportional to 118,585.60, 177,727.20 and 48,385.60 is: 72,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,585.60 : 177,727.20 = 48,385.60 : x
  2. Step 2: Convert to fraction form
    118,585.60/177,727.20 = 48,385.60/x
  3. Step 3: Cross multiply
    118,585.60x = 177,727.20 × 48,385.60
  4. Step 4: Simplify right side
    118,585.60x = 8,599,437,208.32
  5. Step 5: Solve for x
    x = 8,599,437,208.32/118,585.60
  6. Step 6: Final answer
    x = 72,516.71

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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.