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Finding the Fourth Proportional to 94,058.04, 129,779.82 and 54,291

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Solution

The fourth proportional to 94,058.04, 129,779.82 and 54,291 is: 74,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,058.04 : 129,779.82 = 54,291 : x
  2. Step 2: Convert to fraction form
    94,058.04/129,779.82 = 54,291/x
  3. Step 3: Cross multiply
    94,058.04x = 129,779.82 × 54,291
  4. Step 4: Simplify right side
    94,058.04x = 7,045,876,207.62
  5. Step 5: Solve for x
    x = 7,045,876,207.62/94,058.04
  6. Step 6: Final answer
    x = 74,909.88

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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.