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Finding the Fourth Proportional to 244,655.67, 366,978.64 and 139,248.75

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Solution

The fourth proportional to 244,655.67, 366,978.64 and 139,248.75 is: 208,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,655.67 : 366,978.64 = 139,248.75 : x
  2. Step 2: Convert to fraction form
    244,655.67/366,978.64 = 139,248.75/x
  3. Step 3: Cross multiply
    244,655.67x = 366,978.64 × 139,248.75
  4. Step 4: Simplify right side
    244,655.67x = 51,101,316,896.70
  5. Step 5: Solve for x
    x = 51,101,316,896.70/244,655.67
  6. Step 6: Final answer
    x = 208,870.36

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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.