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Finding the Fourth Proportional to 122,083.59, 168,476.53 and 67,636.92

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Solution

The fourth proportional to 122,083.59, 168,476.53 and 67,636.92 is: 93,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,083.59 : 168,476.53 = 67,636.92 : x
  2. Step 2: Convert to fraction form
    122,083.59/168,476.53 = 67,636.92/x
  3. Step 3: Cross multiply
    122,083.59x = 168,476.53 × 67,636.92
  4. Step 4: Simplify right side
    122,083.59x = 11,395,233,581.49
  5. Step 5: Solve for x
    x = 11,395,233,581.49/122,083.59
  6. Step 6: Final answer
    x = 93,339.60

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1.5x scale

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.