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Finding the Fourth Proportional to 117,999.60, 177,100.20 and 47,929.20

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Solution

The fourth proportional to 117,999.60, 177,100.20 and 47,929.20 is: 71,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,999.60 : 177,100.20 = 47,929.20 : x
  2. Step 2: Convert to fraction form
    117,999.60/177,100.20 = 47,929.20/x
  3. Step 3: Cross multiply
    117,999.60x = 177,100.20 × 47,929.20
  4. Step 4: Simplify right side
    117,999.60x = 8,488,270,905.84
  5. Step 5: Solve for x
    x = 8,488,270,905.84/117,999.60
  6. Step 6: Final answer
    x = 71,934.74

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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.