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Finding the Fourth Proportional to 60,187.56, 83,047.08 and 33,328.80

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Solution

The fourth proportional to 60,187.56, 83,047.08 and 33,328.80 is: 45,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,187.56 : 83,047.08 = 33,328.80 : x
  2. Step 2: Convert to fraction form
    60,187.56/83,047.08 = 33,328.80/x
  3. Step 3: Cross multiply
    60,187.56x = 83,047.08 × 33,328.80
  4. Step 4: Simplify right side
    60,187.56x = 2,767,859,519.90
  5. Step 5: Solve for x
    x = 2,767,859,519.90/60,187.56
  6. Step 6: Final answer
    x = 45,987.24

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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.