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Finding the Fourth Proportional to 118,112.98, 177,242.97 and 47,992.29

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Solution

The fourth proportional to 118,112.98, 177,242.97 and 47,992.29 is: 72,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,112.98 : 177,242.97 = 47,992.29 : x
  2. Step 2: Convert to fraction form
    118,112.98/177,242.97 = 47,992.29/x
  3. Step 3: Cross multiply
    118,112.98x = 177,242.97 × 47,992.29
  4. Step 4: Simplify right side
    118,112.98x = 8,506,296,016.70
  5. Step 5: Solve for x
    x = 8,506,296,016.70/118,112.98
  6. Step 6: Final answer
    x = 72,018.30

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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.