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Finding the Fourth Proportional to 152,267.70, 210,081.12 and 88,593.20

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Solution

The fourth proportional to 152,267.70, 210,081.12 and 88,593.20 is: 122,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,267.70 : 210,081.12 = 88,593.20 : x
  2. Step 2: Convert to fraction form
    152,267.70/210,081.12 = 88,593.20/x
  3. Step 3: Cross multiply
    152,267.70x = 210,081.12 × 88,593.20
  4. Step 4: Simplify right side
    152,267.70x = 18,611,757,187.01
  5. Step 5: Solve for x
    x = 18,611,757,187.01/152,267.70
  6. Step 6: Final answer
    x = 122,230.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.