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Finding the Fourth Proportional to 124,362.16, 171,619.64 and 67,773.52

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Solution

The fourth proportional to 124,362.16, 171,619.64 and 67,773.52 is: 93,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,362.16 : 171,619.64 = 67,773.52 : x
  2. Step 2: Convert to fraction form
    124,362.16/171,619.64 = 67,773.52/x
  3. Step 3: Cross multiply
    124,362.16x = 171,619.64 × 67,773.52
  4. Step 4: Simplify right side
    124,362.16x = 11,631,267,103.93
  5. Step 5: Solve for x
    x = 11,631,267,103.93/124,362.16
  6. Step 6: Final answer
    x = 93,527.38

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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.