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Finding the Fourth Proportional to 111,251.02, 153,525.90 and 60,950.02

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Solution

The fourth proportional to 111,251.02, 153,525.90 and 60,950.02 is: 84,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.02 : 153,525.90 = 60,950.02 : x
  2. Step 2: Convert to fraction form
    111,251.02/153,525.90 = 60,950.02/x
  3. Step 3: Cross multiply
    111,251.02x = 153,525.90 × 60,950.02
  4. Step 4: Simplify right side
    111,251.02x = 9,357,406,675.52
  5. Step 5: Solve for x
    x = 9,357,406,675.52/111,251.02
  6. Step 6: Final answer
    x = 84,110.75

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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.