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Finding the Fourth Proportional to 136,058.92, 204,088.79 and 41,289.87

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Solution

The fourth proportional to 136,058.92, 204,088.79 and 41,289.87 is: 61,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,058.92 : 204,088.79 = 41,289.87 : x
  2. Step 2: Convert to fraction form
    136,058.92/204,088.79 = 41,289.87/x
  3. Step 3: Cross multiply
    136,058.92x = 204,088.79 × 41,289.87
  4. Step 4: Simplify right side
    136,058.92x = 8,426,799,607.56
  5. Step 5: Solve for x
    x = 8,426,799,607.56/136,058.92
  6. Step 6: Final answer
    x = 61,934.93

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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.