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Finding the Fourth Proportional to 169,887.22, 234,471.45 and 98,310.76

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Solution

The fourth proportional to 169,887.22, 234,471.45 and 98,310.76 is: 135,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,887.22 : 234,471.45 = 98,310.76 : x
  2. Step 2: Convert to fraction form
    169,887.22/234,471.45 = 98,310.76/x
  3. Step 3: Cross multiply
    169,887.22x = 234,471.45 × 98,310.76
  4. Step 4: Simplify right side
    169,887.22x = 23,051,066,447.80
  5. Step 5: Solve for x
    x = 23,051,066,447.80/169,887.22
  6. Step 6: Final answer
    x = 135,684.52

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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.