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Finding the Fourth Proportional to 220,220.70, 303,952.95 and 144,776.22

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Solution

The fourth proportional to 220,220.70, 303,952.95 and 144,776.22 is: 199,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,220.70 : 303,952.95 = 144,776.22 : x
  2. Step 2: Convert to fraction form
    220,220.70/303,952.95 = 144,776.22/x
  3. Step 3: Cross multiply
    220,220.70x = 303,952.95 × 144,776.22
  4. Step 4: Simplify right side
    220,220.70x = 44,005,159,158.85
  5. Step 5: Solve for x
    x = 44,005,159,158.85/220,220.70
  6. Step 6: Final answer
    x = 199,822.99

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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.