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Finding the Fourth Proportional to 92,254, 138,282.60 and 39,667.60

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Solution

The fourth proportional to 92,254, 138,282.60 and 39,667.60 is: 59,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,254 : 138,282.60 = 39,667.60 : x
  2. Step 2: Convert to fraction form
    92,254/138,282.60 = 39,667.60/x
  3. Step 3: Cross multiply
    92,254x = 138,282.60 × 39,667.60
  4. Step 4: Simplify right side
    92,254x = 5,485,338,863.76
  5. Step 5: Solve for x
    x = 5,485,338,863.76/92,254
  6. Step 6: Final answer
    x = 59,459.09

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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.