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Finding the Fourth Proportional to 91,709.54, 137,595.08 and 35,551.48

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Solution

The fourth proportional to 91,709.54, 137,595.08 and 35,551.48 is: 53,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,709.54 : 137,595.08 = 35,551.48 : x
  2. Step 2: Convert to fraction form
    91,709.54/137,595.08 = 35,551.48/x
  3. Step 3: Cross multiply
    91,709.54x = 137,595.08 × 35,551.48
  4. Step 4: Simplify right side
    91,709.54x = 4,891,708,390.73
  5. Step 5: Solve for x
    x = 4,891,708,390.73/91,709.54
  6. Step 6: Final answer
    x = 53,339.15

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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.