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Finding the Fourth Proportional to 111,403.68, 167,248 and 95,709.12

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Solution

The fourth proportional to 111,403.68, 167,248 and 95,709.12 is: 143,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,403.68 : 167,248 = 95,709.12 : x
  2. Step 2: Convert to fraction form
    111,403.68/167,248 = 95,709.12/x
  3. Step 3: Cross multiply
    111,403.68x = 167,248 × 95,709.12
  4. Step 4: Simplify right side
    111,403.68x = 16,007,158,901.76
  5. Step 5: Solve for x
    x = 16,007,158,901.76/111,403.68
  6. Step 6: Final answer
    x = 143,686.09

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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.