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Finding the Fourth Proportional to 124,308.44, 171,545.63 and 67,719.82

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Solution

The fourth proportional to 124,308.44, 171,545.63 and 67,719.82 is: 93,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,308.44 : 171,545.63 = 67,719.82 : x
  2. Step 2: Convert to fraction form
    124,308.44/171,545.63 = 67,719.82/x
  3. Step 3: Cross multiply
    124,308.44x = 171,545.63 × 67,719.82
  4. Step 4: Simplify right side
    124,308.44x = 11,617,037,989.06
  5. Step 5: Solve for x
    x = 11,617,037,989.06/124,308.44
  6. Step 6: Final answer
    x = 93,453.33

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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.