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Finding the Fourth Proportional to 67,489.58, 93,113.06 and 43,646.42

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Solution

The fourth proportional to 67,489.58, 93,113.06 and 43,646.42 is: 60,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,489.58 : 93,113.06 = 43,646.42 : x
  2. Step 2: Convert to fraction form
    67,489.58/93,113.06 = 43,646.42/x
  3. Step 3: Cross multiply
    67,489.58x = 93,113.06 × 43,646.42
  4. Step 4: Simplify right side
    67,489.58x = 4,064,051,724.25
  5. Step 5: Solve for x
    x = 4,064,051,724.25/67,489.58
  6. Step 6: Final answer
    x = 60,217.47

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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.