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Finding the Fourth Proportional to 99,997.48, 150,051.57 and 59,918.01

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Solution

The fourth proportional to 99,997.48, 150,051.57 and 59,918.01 is: 89,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,997.48 : 150,051.57 = 59,918.01 : x
  2. Step 2: Convert to fraction form
    99,997.48/150,051.57 = 59,918.01/x
  3. Step 3: Cross multiply
    99,997.48x = 150,051.57 × 59,918.01
  4. Step 4: Simplify right side
    99,997.48x = 8,990,791,471.78
  5. Step 5: Solve for x
    x = 8,990,791,471.78/99,997.48
  6. Step 6: Final answer
    x = 89,910.18

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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.