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Finding the Fourth Proportional to 220,111.80, 330,167.70 and 102,013.80

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Solution

The fourth proportional to 220,111.80, 330,167.70 and 102,013.80 is: 153,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,111.80 : 330,167.70 = 102,013.80 : x
  2. Step 2: Convert to fraction form
    220,111.80/330,167.70 = 102,013.80/x
  3. Step 3: Cross multiply
    220,111.80x = 330,167.70 × 102,013.80
  4. Step 4: Simplify right side
    220,111.80x = 33,681,661,714.26
  5. Step 5: Solve for x
    x = 33,681,661,714.26/220,111.80
  6. Step 6: Final answer
    x = 153,020.70

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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.