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Finding the Fourth Proportional to 267,370.90, 401,041.59 and 89,859.58

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Solution

The fourth proportional to 267,370.90, 401,041.59 and 89,859.58 is: 134,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,370.90 : 401,041.59 = 89,859.58 : x
  2. Step 2: Convert to fraction form
    267,370.90/401,041.59 = 89,859.58/x
  3. Step 3: Cross multiply
    267,370.90x = 401,041.59 × 89,859.58
  4. Step 4: Simplify right side
    267,370.90x = 36,037,428,839.93
  5. Step 5: Solve for x
    x = 36,037,428,839.93/267,370.90
  6. Step 6: Final answer
    x = 134,784.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.