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Finding the Fourth Proportional to 124,561.76, 171,893.63 and 67,969.49

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Solution

The fourth proportional to 124,561.76, 171,893.63 and 67,969.49 is: 93,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,561.76 : 171,893.63 = 67,969.49 : x
  2. Step 2: Convert to fraction form
    124,561.76/171,893.63 = 67,969.49/x
  3. Step 3: Cross multiply
    124,561.76x = 171,893.63 × 67,969.49
  4. Step 4: Simplify right side
    124,561.76x = 11,683,522,025.50
  5. Step 5: Solve for x
    x = 11,683,522,025.50/124,561.76
  6. Step 6: Final answer
    x = 93,797.02

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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.