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Finding the Fourth Proportional to 220,073.80, 330,110.70 and 101,975.80

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Solution

The fourth proportional to 220,073.80, 330,110.70 and 101,975.80 is: 152,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,073.80 : 330,110.70 = 101,975.80 : x
  2. Step 2: Convert to fraction form
    220,073.80/330,110.70 = 101,975.80/x
  3. Step 3: Cross multiply
    220,073.80x = 330,110.70 × 101,975.80
  4. Step 4: Simplify right side
    220,073.80x = 33,663,302,721.06
  5. Step 5: Solve for x
    x = 33,663,302,721.06/220,073.80
  6. Step 6: Final answer
    x = 152,963.70

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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.