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Finding the Fourth Proportional to 68,304.68, 94,199.04 and 42,813.60

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Solution

The fourth proportional to 68,304.68, 94,199.04 and 42,813.60 is: 59,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,304.68 : 94,199.04 = 42,813.60 : x
  2. Step 2: Convert to fraction form
    68,304.68/94,199.04 = 42,813.60/x
  3. Step 3: Cross multiply
    68,304.68x = 94,199.04 × 42,813.60
  4. Step 4: Simplify right side
    68,304.68x = 4,033,000,018.94
  5. Step 5: Solve for x
    x = 4,033,000,018.94/68,304.68
  6. Step 6: Final answer
    x = 59,044.27

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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.