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Finding the Fourth Proportional to 161,646.62, 223,079.25 and 90,026.63

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Solution

The fourth proportional to 161,646.62, 223,079.25 and 90,026.63 is: 124,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,646.62 : 223,079.25 = 90,026.63 : x
  2. Step 2: Convert to fraction form
    161,646.62/223,079.25 = 90,026.63/x
  3. Step 3: Cross multiply
    161,646.62x = 223,079.25 × 90,026.63
  4. Step 4: Simplify right side
    161,646.62x = 20,083,073,100.43
  5. Step 5: Solve for x
    x = 20,083,073,100.43/161,646.62
  6. Step 6: Final answer
    x = 124,240.60

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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.