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Finding the Fourth Proportional to 356,267.56, 534,351.90 and 90,011.68

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Solution

The fourth proportional to 356,267.56, 534,351.90 and 90,011.68 is: 135,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,267.56 : 534,351.90 = 90,011.68 : x
  2. Step 2: Convert to fraction form
    356,267.56/534,351.90 = 90,011.68/x
  3. Step 3: Cross multiply
    356,267.56x = 534,351.90 × 90,011.68
  4. Step 4: Simplify right side
    356,267.56x = 48,097,912,230.19
  5. Step 5: Solve for x
    x = 48,097,912,230.19/356,267.56
  6. Step 6: Final answer
    x = 135,005.03

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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.