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Finding the Fourth Proportional to 161,482.56, 222,841.44 and 89,865.12

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Solution

The fourth proportional to 161,482.56, 222,841.44 and 89,865.12 is: 124,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,482.56 : 222,841.44 = 89,865.12 : x
  2. Step 2: Convert to fraction form
    161,482.56/222,841.44 = 89,865.12/x
  3. Step 3: Cross multiply
    161,482.56x = 222,841.44 × 89,865.12
  4. Step 4: Simplify right side
    161,482.56x = 20,025,672,746.57
  5. Step 5: Solve for x
    x = 20,025,672,746.57/161,482.56
  6. Step 6: Final answer
    x = 124,011.37

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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.