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Finding the Fourth Proportional to 161,083.62, 222,298.14 and 88,489.57

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Solution

The fourth proportional to 161,083.62, 222,298.14 and 88,489.57 is: 122,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,083.62 : 222,298.14 = 88,489.57 : x
  2. Step 2: Convert to fraction form
    161,083.62/222,298.14 = 88,489.57/x
  3. Step 3: Cross multiply
    161,083.62x = 222,298.14 × 88,489.57
  4. Step 4: Simplify right side
    161,083.62x = 19,671,066,820.40
  5. Step 5: Solve for x
    x = 19,671,066,820.40/161,083.62
  6. Step 6: Final answer
    x = 122,117.11

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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.