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Finding the Fourth Proportional to 124,358.25, 171,615.60 and 67,770.84

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Solution

The fourth proportional to 124,358.25, 171,615.60 and 67,770.84 is: 93,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,358.25 : 171,615.60 = 67,770.84 : x
  2. Step 2: Convert to fraction form
    124,358.25/171,615.60 = 67,770.84/x
  3. Step 3: Cross multiply
    124,358.25x = 171,615.60 × 67,770.84
  4. Step 4: Simplify right side
    124,358.25x = 11,630,533,369.10
  5. Step 5: Solve for x
    x = 11,630,533,369.10/124,358.25
  6. Step 6: Final answer
    x = 93,524.42

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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.