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Finding the Fourth Proportional to 100,977.84, 151,546.68 and 56,596.32

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Solution

The fourth proportional to 100,977.84, 151,546.68 and 56,596.32 is: 84,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,977.84 : 151,546.68 = 56,596.32 : x
  2. Step 2: Convert to fraction form
    100,977.84/151,546.68 = 56,596.32/x
  3. Step 3: Cross multiply
    100,977.84x = 151,546.68 × 56,596.32
  4. Step 4: Simplify right side
    100,977.84x = 8,576,984,396.22
  5. Step 5: Solve for x
    x = 8,576,984,396.22/100,977.84
  6. Step 6: Final answer
    x = 84,939.27

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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.