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Finding the Fourth Proportional to 124,560, 171,896.45 and 67,975.02

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Solution

The fourth proportional to 124,560, 171,896.45 and 67,975.02 is: 93,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,560 : 171,896.45 = 67,975.02 : x
  2. Step 2: Convert to fraction form
    124,560/171,896.45 = 67,975.02/x
  3. Step 3: Cross multiply
    124,560x = 171,896.45 × 67,975.02
  4. Step 4: Simplify right side
    124,560x = 11,684,664,626.68
  5. Step 5: Solve for x
    x = 11,684,664,626.68/124,560
  6. Step 6: Final answer
    x = 93,807.52

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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.