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Finding the Fourth Proportional to 580,837.36, 871,117.80 and 160,147.12

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Solution

The fourth proportional to 580,837.36, 871,117.80 and 160,147.12 is: 240,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,837.36 : 871,117.80 = 160,147.12 : x
  2. Step 2: Convert to fraction form
    580,837.36/871,117.80 = 160,147.12/x
  3. Step 3: Cross multiply
    580,837.36x = 871,117.80 × 160,147.12
  4. Step 4: Simplify right side
    580,837.36x = 139,507,006,850.74
  5. Step 5: Solve for x
    x = 139,507,006,850.74/580,837.36
  6. Step 6: Final answer
    x = 240,182.56

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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.