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Finding the Fourth Proportional to 91,652.82, 137,435.76 and 35,519.10

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Solution

The fourth proportional to 91,652.82, 137,435.76 and 35,519.10 is: 53,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,652.82 : 137,435.76 = 35,519.10 : x
  2. Step 2: Convert to fraction form
    91,652.82/137,435.76 = 35,519.10/x
  3. Step 3: Cross multiply
    91,652.82x = 137,435.76 × 35,519.10
  4. Step 4: Simplify right side
    91,652.82x = 4,881,594,503.02
  5. Step 5: Solve for x
    x = 4,881,594,503.02/91,652.82
  6. Step 6: Final answer
    x = 53,261.80

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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.