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Finding the Fourth Proportional to 111,407.68, 167,254 and 95,713.12

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Solution

The fourth proportional to 111,407.68, 167,254 and 95,713.12 is: 143,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,407.68 : 167,254 = 95,713.12 : x
  2. Step 2: Convert to fraction form
    111,407.68/167,254 = 95,713.12/x
  3. Step 3: Cross multiply
    111,407.68x = 167,254 × 95,713.12
  4. Step 4: Simplify right side
    111,407.68x = 16,008,402,172.48
  5. Step 5: Solve for x
    x = 16,008,402,172.48/111,407.68
  6. Step 6: Final answer
    x = 143,692.09

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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.