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Finding the Fourth Proportional to 99,473.34, 149,210.01 and 40,297.98

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Solution

The fourth proportional to 99,473.34, 149,210.01 and 40,297.98 is: 60,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,473.34 : 149,210.01 = 40,297.98 : x
  2. Step 2: Convert to fraction form
    99,473.34/149,210.01 = 40,297.98/x
  3. Step 3: Cross multiply
    99,473.34x = 149,210.01 × 40,297.98
  4. Step 4: Simplify right side
    99,473.34x = 6,012,861,998.78
  5. Step 5: Solve for x
    x = 6,012,861,998.78/99,473.34
  6. Step 6: Final answer
    x = 60,446.97

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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.