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Finding the Fourth Proportional to 118,618.59, 177,927.88 and 48,481.50

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Solution

The fourth proportional to 118,618.59, 177,927.88 and 48,481.50 is: 72,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,618.59 : 177,927.88 = 48,481.50 : x
  2. Step 2: Convert to fraction form
    118,618.59/177,927.88 = 48,481.50/x
  3. Step 3: Cross multiply
    118,618.59x = 177,927.88 × 48,481.50
  4. Step 4: Simplify right side
    118,618.59x = 8,626,210,514.22
  5. Step 5: Solve for x
    x = 8,626,210,514.22/118,618.59
  6. Step 6: Final answer
    x = 72,722.25

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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.