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Finding the Fourth Proportional to 124,392.84, 171,661.02 and 67,803

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Solution

The fourth proportional to 124,392.84, 171,661.02 and 67,803 is: 93,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,392.84 : 171,661.02 = 67,803 : x
  2. Step 2: Convert to fraction form
    124,392.84/171,661.02 = 67,803/x
  3. Step 3: Cross multiply
    124,392.84x = 171,661.02 × 67,803
  4. Step 4: Simplify right side
    124,392.84x = 11,639,132,139.06
  5. Step 5: Solve for x
    x = 11,639,132,139.06/124,392.84
  6. Step 6: Final answer
    x = 93,567.54

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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.