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Finding the Fourth Proportional to 160,220.47, 240,120.45 and 117,902.44

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Solution

The fourth proportional to 160,220.47, 240,120.45 and 117,902.44 is: 176,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,220.47 : 240,120.45 = 117,902.44 : x
  2. Step 2: Convert to fraction form
    160,220.47/240,120.45 = 117,902.44/x
  3. Step 3: Cross multiply
    160,220.47x = 240,120.45 × 117,902.44
  4. Step 4: Simplify right side
    160,220.47x = 28,310,786,948.90
  5. Step 5: Solve for x
    x = 28,310,786,948.90/160,220.47
  6. Step 6: Final answer
    x = 176,698.94

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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.