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Finding the Fourth Proportional to 124,468.83, 171,768.14 and 67,880.21

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Solution

The fourth proportional to 124,468.83, 171,768.14 and 67,880.21 is: 93,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,468.83 : 171,768.14 = 67,880.21 : x
  2. Step 2: Convert to fraction form
    124,468.83/171,768.14 = 67,880.21/x
  3. Step 3: Cross multiply
    124,468.83x = 171,768.14 × 67,880.21
  4. Step 4: Simplify right side
    124,468.83x = 11,659,657,414.51
  5. Step 5: Solve for x
    x = 11,659,657,414.51/124,468.83
  6. Step 6: Final answer
    x = 93,675.32

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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.