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Finding the Fourth Proportional to 94,645.80, 141,673.32 and 69,714

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Solution

The fourth proportional to 94,645.80, 141,673.32 and 69,714 is: 104,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,645.80 : 141,673.32 = 69,714 : x
  2. Step 2: Convert to fraction form
    94,645.80/141,673.32 = 69,714/x
  3. Step 3: Cross multiply
    94,645.80x = 141,673.32 × 69,714
  4. Step 4: Simplify right side
    94,645.80x = 9,876,613,830.48
  5. Step 5: Solve for x
    x = 9,876,613,830.48/94,645.80
  6. Step 6: Final answer
    x = 104,353.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.