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Finding the Fourth Proportional to 110,871.75, 153,003.03 and 60,570.75

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Solution

The fourth proportional to 110,871.75, 153,003.03 and 60,570.75 is: 83,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,871.75 : 153,003.03 = 60,570.75 : x
  2. Step 2: Convert to fraction form
    110,871.75/153,003.03 = 60,570.75/x
  3. Step 3: Cross multiply
    110,871.75x = 153,003.03 × 60,570.75
  4. Step 4: Simplify right side
    110,871.75x = 9,267,508,279.37
  5. Step 5: Solve for x
    x = 9,267,508,279.37/110,871.75
  6. Step 6: Final answer
    x = 83,587.64

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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.