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Finding the Fourth Proportional to 111,539.82, 153,925.08 and 60,552.54

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Solution

The fourth proportional to 111,539.82, 153,925.08 and 60,552.54 is: 83,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,539.82 : 153,925.08 = 60,552.54 : x
  2. Step 2: Convert to fraction form
    111,539.82/153,925.08 = 60,552.54/x
  3. Step 3: Cross multiply
    111,539.82x = 153,925.08 × 60,552.54
  4. Step 4: Simplify right side
    111,539.82x = 9,320,554,563.70
  5. Step 5: Solve for x
    x = 9,320,554,563.70/111,539.82
  6. Step 6: Final answer
    x = 83,562.57

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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.