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Finding the Fourth Proportional to 160,959.06, 222,113.06 and 89,339.10

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Solution

The fourth proportional to 160,959.06, 222,113.06 and 89,339.10 is: 123,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,959.06 : 222,113.06 = 89,339.10 : x
  2. Step 2: Convert to fraction form
    160,959.06/222,113.06 = 89,339.10/x
  3. Step 3: Cross multiply
    160,959.06x = 222,113.06 × 89,339.10
  4. Step 4: Simplify right side
    160,959.06x = 19,843,380,878.65
  5. Step 5: Solve for x
    x = 19,843,380,878.65/160,959.06
  6. Step 6: Final answer
    x = 123,282.16

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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.