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Finding the Fourth Proportional to 220,800.54, 304,744.52 and 130,151.22

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Solution

The fourth proportional to 220,800.54, 304,744.52 and 130,151.22 is: 179,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,800.54 : 304,744.52 = 130,151.22 : x
  2. Step 2: Convert to fraction form
    220,800.54/304,744.52 = 130,151.22/x
  3. Step 3: Cross multiply
    220,800.54x = 304,744.52 × 130,151.22
  4. Step 4: Simplify right side
    220,800.54x = 39,662,870,415.56
  5. Step 5: Solve for x
    x = 39,662,870,415.56/220,800.54
  6. Step 6: Final answer
    x = 179,632.13

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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.