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Finding the Fourth Proportional to 79,357.33, 109,512.81 and 43,547.95

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Solution

The fourth proportional to 79,357.33, 109,512.81 and 43,547.95 is: 60,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,357.33 : 109,512.81 = 43,547.95 : x
  2. Step 2: Convert to fraction form
    79,357.33/109,512.81 = 43,547.95/x
  3. Step 3: Cross multiply
    79,357.33x = 109,512.81 × 43,547.95
  4. Step 4: Simplify right side
    79,357.33x = 4,769,058,374.24
  5. Step 5: Solve for x
    x = 4,769,058,374.24/79,357.33
  6. Step 6: Final answer
    x = 60,096.00

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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.