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Finding the Fourth Proportional to 84,900.80, 127,355.40 and 32,314.36

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Solution

The fourth proportional to 84,900.80, 127,355.40 and 32,314.36 is: 48,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,900.80 : 127,355.40 = 32,314.36 : x
  2. Step 2: Convert to fraction form
    84,900.80/127,355.40 = 32,314.36/x
  3. Step 3: Cross multiply
    84,900.80x = 127,355.40 × 32,314.36
  4. Step 4: Simplify right side
    84,900.80x = 4,115,408,243.54
  5. Step 5: Solve for x
    x = 4,115,408,243.54/84,900.80
  6. Step 6: Final answer
    x = 48,473.14

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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.