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Finding the Fourth Proportional to 84,607.36, 127,105.44 and 59,704.64

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Solution

The fourth proportional to 84,607.36, 127,105.44 and 59,704.64 is: 89,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607.36 : 127,105.44 = 59,704.64 : x
  2. Step 2: Convert to fraction form
    84,607.36/127,105.44 = 59,704.64/x
  3. Step 3: Cross multiply
    84,607.36x = 127,105.44 × 59,704.64
  4. Step 4: Simplify right side
    84,607.36x = 7,588,784,537.24
  5. Step 5: Solve for x
    x = 7,588,784,537.24/84,607.36
  6. Step 6: Final answer
    x = 89,694.14

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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.