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Finding the Fourth Proportional to 79,058.40, 118,586.94 and 32,278.46

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Solution

The fourth proportional to 79,058.40, 118,586.94 and 32,278.46 is: 48,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,058.40 : 118,586.94 = 32,278.46 : x
  2. Step 2: Convert to fraction form
    79,058.40/118,586.94 = 32,278.46/x
  3. Step 3: Cross multiply
    79,058.40x = 118,586.94 × 32,278.46
  4. Step 4: Simplify right side
    79,058.40x = 3,827,803,799.31
  5. Step 5: Solve for x
    x = 3,827,803,799.31/79,058.40
  6. Step 6: Final answer
    x = 48,417.42

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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.