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Finding the Fourth Proportional to 80,063.81, 120,116.63 and 23,903.93

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Solution

The fourth proportional to 80,063.81, 120,116.63 and 23,903.93 is: 35,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.81 : 120,116.63 = 23,903.93 : x
  2. Step 2: Convert to fraction form
    80,063.81/120,116.63 = 23,903.93/x
  3. Step 3: Cross multiply
    80,063.81x = 120,116.63 × 23,903.93
  4. Step 4: Simplify right side
    80,063.81x = 2,871,258,795.25
  5. Step 5: Solve for x
    x = 2,871,258,795.25/80,063.81
  6. Step 6: Final answer
    x = 35,862.13

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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.