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Finding the Fourth Proportional to 121,058.72, 181,617.26 and 37,952.72

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Solution

The fourth proportional to 121,058.72, 181,617.26 and 37,952.72 is: 56,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,058.72 : 181,617.26 = 37,952.72 : x
  2. Step 2: Convert to fraction form
    121,058.72/181,617.26 = 37,952.72/x
  3. Step 3: Cross multiply
    121,058.72x = 181,617.26 × 37,952.72
  4. Step 4: Simplify right side
    121,058.72x = 6,892,868,599.16
  5. Step 5: Solve for x
    x = 6,892,868,599.16/121,058.72
  6. Step 6: Final answer
    x = 56,938.23

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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.