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Finding the Fourth Proportional to 91,374.30, 137,035.17 and 35,209.98

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Solution

The fourth proportional to 91,374.30, 137,035.17 and 35,209.98 is: 52,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,374.30 : 137,035.17 = 35,209.98 : x
  2. Step 2: Convert to fraction form
    91,374.30/137,035.17 = 35,209.98/x
  3. Step 3: Cross multiply
    91,374.30x = 137,035.17 × 35,209.98
  4. Step 4: Simplify right side
    91,374.30x = 4,825,005,595.00
  5. Step 5: Solve for x
    x = 4,825,005,595.00/91,374.30
  6. Step 6: Final answer
    x = 52,804.84

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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.