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Finding the Fourth Proportional to 68,342.79, 94,251.74 and 42,851.94

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Solution

The fourth proportional to 68,342.79, 94,251.74 and 42,851.94 is: 59,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,342.79 : 94,251.74 = 42,851.94 : x
  2. Step 2: Convert to fraction form
    68,342.79/94,251.74 = 42,851.94/x
  3. Step 3: Cross multiply
    68,342.79x = 94,251.74 × 42,851.94
  4. Step 4: Simplify right side
    68,342.79x = 4,038,869,693.12
  5. Step 5: Solve for x
    x = 4,038,869,693.12/68,342.79
  6. Step 6: Final answer
    x = 59,097.23

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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.