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Finding the Fourth Proportional to 101,616.88, 152,354.04 and 54,900.40

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Solution

The fourth proportional to 101,616.88, 152,354.04 and 54,900.40 is: 82,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,616.88 : 152,354.04 = 54,900.40 : x
  2. Step 2: Convert to fraction form
    101,616.88/152,354.04 = 54,900.40/x
  3. Step 3: Cross multiply
    101,616.88x = 152,354.04 × 54,900.40
  4. Step 4: Simplify right side
    101,616.88x = 8,364,297,737.62
  5. Step 5: Solve for x
    x = 8,364,297,737.62/101,616.88
  6. Step 6: Final answer
    x = 82,312.09

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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.