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Finding the Fourth Proportional to 124,357.84, 171,613.56 and 67,769.08

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Solution

The fourth proportional to 124,357.84, 171,613.56 and 67,769.08 is: 93,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,357.84 : 171,613.56 = 67,769.08 : x
  2. Step 2: Convert to fraction form
    124,357.84/171,613.56 = 67,769.08/x
  3. Step 3: Cross multiply
    124,357.84x = 171,613.56 × 67,769.08
  4. Step 4: Simplify right side
    124,357.84x = 11,630,093,076.72
  5. Step 5: Solve for x
    x = 11,630,093,076.72/124,357.84
  6. Step 6: Final answer
    x = 93,521.19

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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.