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Finding the Fourth Proportional to 124,559.31, 171,896.01 and 67,973.79

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Solution

The fourth proportional to 124,559.31, 171,896.01 and 67,973.79 is: 93,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,559.31 : 171,896.01 = 67,973.79 : x
  2. Step 2: Convert to fraction form
    124,559.31/171,896.01 = 67,973.79/x
  3. Step 3: Cross multiply
    124,559.31x = 171,896.01 × 67,973.79
  4. Step 4: Simplify right side
    124,559.31x = 11,684,423,285.58
  5. Step 5: Solve for x
    x = 11,684,423,285.58/124,559.31
  6. Step 6: Final answer
    x = 93,806.10

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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.