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Finding the Fourth Proportional to 124,366.84, 171,625.94 and 67,778.12

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Solution

The fourth proportional to 124,366.84, 171,625.94 and 67,778.12 is: 93,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,366.84 : 171,625.94 = 67,778.12 : x
  2. Step 2: Convert to fraction form
    124,366.84/171,625.94 = 67,778.12/x
  3. Step 3: Cross multiply
    124,366.84x = 171,625.94 × 67,778.12
  4. Step 4: Simplify right side
    124,366.84x = 11,632,483,556.43
  5. Step 5: Solve for x
    x = 11,632,483,556.43/124,366.84
  6. Step 6: Final answer
    x = 93,533.64

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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.