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Finding the Fourth Proportional to 124,352.42, 171,605.80 and 67,763.80

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Solution

The fourth proportional to 124,352.42, 171,605.80 and 67,763.80 is: 93,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,352.42 : 171,605.80 = 67,763.80 : x
  2. Step 2: Convert to fraction form
    124,352.42/171,605.80 = 67,763.80/x
  3. Step 3: Cross multiply
    124,352.42x = 171,605.80 × 67,763.80
  4. Step 4: Simplify right side
    124,352.42x = 11,628,661,110.04
  5. Step 5: Solve for x
    x = 11,628,661,110.04/124,352.42
  6. Step 6: Final answer
    x = 93,513.75

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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.