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Finding the Fourth Proportional to 237,641.96, 356,445 and 69,163.60

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Solution

The fourth proportional to 237,641.96, 356,445 and 69,163.60 is: 103,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,641.96 : 356,445 = 69,163.60 : x
  2. Step 2: Convert to fraction form
    237,641.96/356,445 = 69,163.60/x
  3. Step 3: Cross multiply
    237,641.96x = 356,445 × 69,163.60
  4. Step 4: Simplify right side
    237,641.96x = 24,653,019,402.00
  5. Step 5: Solve for x
    x = 24,653,019,402.00/237,641.96
  6. Step 6: Final answer
    x = 103,740.18

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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.