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Finding the Fourth Proportional to 124,624.44, 171,977.04 and 68,036.04

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Solution

The fourth proportional to 124,624.44, 171,977.04 and 68,036.04 is: 93,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,624.44 : 171,977.04 = 68,036.04 : x
  2. Step 2: Convert to fraction form
    124,624.44/171,977.04 = 68,036.04/x
  3. Step 3: Cross multiply
    124,624.44x = 171,977.04 × 68,036.04
  4. Step 4: Simplify right side
    124,624.44x = 11,700,636,772.52
  5. Step 5: Solve for x
    x = 11,700,636,772.52/124,624.44
  6. Step 6: Final answer
    x = 93,887.18

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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.