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Finding the Fourth Proportional to 111,203.52, 153,461.38 and 60,902.52

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Solution

The fourth proportional to 111,203.52, 153,461.38 and 60,902.52 is: 84,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,203.52 : 153,461.38 = 60,902.52 : x
  2. Step 2: Convert to fraction form
    111,203.52/153,461.38 = 60,902.52/x
  3. Step 3: Cross multiply
    111,203.52x = 153,461.38 × 60,902.52
  4. Step 4: Simplify right side
    111,203.52x = 9,346,184,764.68
  5. Step 5: Solve for x
    x = 9,346,184,764.68/111,203.52
  6. Step 6: Final answer
    x = 84,045.76

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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.