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Finding the Fourth Proportional to 220,210.70, 303,891.06 and 119,608.70

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Solution

The fourth proportional to 220,210.70, 303,891.06 and 119,608.70 is: 165,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,210.70 : 303,891.06 = 119,608.70 : x
  2. Step 2: Convert to fraction form
    220,210.70/303,891.06 = 119,608.70/x
  3. Step 3: Cross multiply
    220,210.70x = 303,891.06 × 119,608.70
  4. Step 4: Simplify right side
    220,210.70x = 36,348,013,108.77
  5. Step 5: Solve for x
    x = 36,348,013,108.77/220,210.70
  6. Step 6: Final answer
    x = 165,060.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.