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Finding the Fourth Proportional to 162,030.54, 223,649.07 and 94,062.78

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Solution

The fourth proportional to 162,030.54, 223,649.07 and 94,062.78 is: 129,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,030.54 : 223,649.07 = 94,062.78 : x
  2. Step 2: Convert to fraction form
    162,030.54/223,649.07 = 94,062.78/x
  3. Step 3: Cross multiply
    162,030.54x = 223,649.07 × 94,062.78
  4. Step 4: Simplify right side
    162,030.54x = 21,037,053,268.61
  5. Step 5: Solve for x
    x = 21,037,053,268.61/162,030.54
  6. Step 6: Final answer
    x = 129,833.88

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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.