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Finding the Fourth Proportional to 68,159.78, 94,007.20 and 44,294.12

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Solution

The fourth proportional to 68,159.78, 94,007.20 and 44,294.12 is: 61,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,159.78 : 94,007.20 = 44,294.12 : x
  2. Step 2: Convert to fraction form
    68,159.78/94,007.20 = 44,294.12/x
  3. Step 3: Cross multiply
    68,159.78x = 94,007.20 × 44,294.12
  4. Step 4: Simplify right side
    68,159.78x = 4,163,966,197.66
  5. Step 5: Solve for x
    x = 4,163,966,197.66/68,159.78
  6. Step 6: Final answer
    x = 61,091.25

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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.