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Finding the Fourth Proportional to 161,506.86, 222,877.23 and 89,886.89

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Solution

The fourth proportional to 161,506.86, 222,877.23 and 89,886.89 is: 124,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,506.86 : 222,877.23 = 89,886.89 : x
  2. Step 2: Convert to fraction form
    161,506.86/222,877.23 = 89,886.89/x
  3. Step 3: Cross multiply
    161,506.86x = 222,877.23 × 89,886.89
  4. Step 4: Simplify right side
    161,506.86x = 20,033,739,942.13
  5. Step 5: Solve for x
    x = 20,033,739,942.13/161,506.86
  6. Step 6: Final answer
    x = 124,042.66

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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.