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Finding the Fourth Proportional to 107,671.95, 161,483.22 and 31,750.92

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Solution

The fourth proportional to 107,671.95, 161,483.22 and 31,750.92 is: 47,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,671.95 : 161,483.22 = 31,750.92 : x
  2. Step 2: Convert to fraction form
    107,671.95/161,483.22 = 31,750.92/x
  3. Step 3: Cross multiply
    107,671.95x = 161,483.22 × 31,750.92
  4. Step 4: Simplify right side
    107,671.95x = 5,127,240,799.56
  5. Step 5: Solve for x
    x = 5,127,240,799.56/107,671.95
  6. Step 6: Final answer
    x = 47,619.09

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1.5x scale

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.