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Finding the Fourth Proportional to 67,455.88, 101,245.88 and 34,199.56

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Solution

The fourth proportional to 67,455.88, 101,245.88 and 34,199.56 is: 51,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455.88 : 101,245.88 = 34,199.56 : x
  2. Step 2: Convert to fraction form
    67,455.88/101,245.88 = 34,199.56/x
  3. Step 3: Cross multiply
    67,455.88x = 101,245.88 × 34,199.56
  4. Step 4: Simplify right side
    67,455.88x = 3,462,564,547.81
  5. Step 5: Solve for x
    x = 3,462,564,547.81/67,455.88
  6. Step 6: Final answer
    x = 51,330.80

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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.