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Finding the Fourth Proportional to 160,887.78, 222,035.56 and 89,275.68

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Solution

The fourth proportional to 160,887.78, 222,035.56 and 89,275.68 is: 123,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,887.78 : 222,035.56 = 89,275.68 : x
  2. Step 2: Convert to fraction form
    160,887.78/222,035.56 = 89,275.68/x
  3. Step 3: Cross multiply
    160,887.78x = 222,035.56 × 89,275.68
  4. Step 4: Simplify right side
    160,887.78x = 19,822,375,603.18
  5. Step 5: Solve for x
    x = 19,822,375,603.18/160,887.78
  6. Step 6: Final answer
    x = 123,206.22

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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.