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Finding the Fourth Proportional to 84,846.60, 127,367.10 and 51,604.20

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Solution

The fourth proportional to 84,846.60, 127,367.10 and 51,604.20 is: 77,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.60 : 127,367.10 = 51,604.20 : x
  2. Step 2: Convert to fraction form
    84,846.60/127,367.10 = 51,604.20/x
  3. Step 3: Cross multiply
    84,846.60x = 127,367.10 × 51,604.20
  4. Step 4: Simplify right side
    84,846.60x = 6,572,677,301.82
  5. Step 5: Solve for x
    x = 6,572,677,301.82/84,846.60
  6. Step 6: Final answer
    x = 77,465.42

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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.