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Finding the Fourth Proportional to 400,525.96, 600,847.24 and 120,065.08

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Solution

The fourth proportional to 400,525.96, 600,847.24 and 120,065.08 is: 180,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,525.96 : 600,847.24 = 120,065.08 : x
  2. Step 2: Convert to fraction form
    400,525.96/600,847.24 = 120,065.08/x
  3. Step 3: Cross multiply
    400,525.96x = 600,847.24 × 120,065.08
  4. Step 4: Simplify right side
    400,525.96x = 72,140,771,938.38
  5. Step 5: Solve for x
    x = 72,140,771,938.38/400,525.96
  6. Step 6: Final answer
    x = 180,115.10

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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.