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Finding the Fourth Proportional to 161,859.60, 223,327.80 and 98,195.76

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Solution

The fourth proportional to 161,859.60, 223,327.80 and 98,195.76 is: 135,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,859.60 : 223,327.80 = 98,195.76 : x
  2. Step 2: Convert to fraction form
    161,859.60/223,327.80 = 98,195.76/x
  3. Step 3: Cross multiply
    161,859.60x = 223,327.80 × 98,195.76
  4. Step 4: Simplify right side
    161,859.60x = 21,929,843,050.13
  5. Step 5: Solve for x
    x = 21,929,843,050.13/161,859.60
  6. Step 6: Final answer
    x = 135,486.82

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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.