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Finding the Fourth Proportional to 161,677.78, 223,119.24 and 90,058.97

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Solution

The fourth proportional to 161,677.78, 223,119.24 and 90,058.97 is: 124,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,677.78 : 223,119.24 = 90,058.97 : x
  2. Step 2: Convert to fraction form
    161,677.78/223,119.24 = 90,058.97/x
  3. Step 3: Cross multiply
    161,677.78x = 223,119.24 × 90,058.97
  4. Step 4: Simplify right side
    161,677.78x = 20,093,888,941.58
  5. Step 5: Solve for x
    x = 20,093,888,941.58/161,677.78
  6. Step 6: Final answer
    x = 124,283.55

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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.