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Finding the Fourth Proportional to 121,058.19, 181,616.40 and 37,952.19

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Solution

The fourth proportional to 121,058.19, 181,616.40 and 37,952.19 is: 56,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,058.19 : 181,616.40 = 37,952.19 : x
  2. Step 2: Convert to fraction form
    121,058.19/181,616.40 = 37,952.19/x
  3. Step 3: Cross multiply
    121,058.19x = 181,616.40 × 37,952.19
  4. Step 4: Simplify right side
    121,058.19x = 6,892,740,119.92
  5. Step 5: Solve for x
    x = 6,892,740,119.92/121,058.19
  6. Step 6: Final answer
    x = 56,937.41

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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.