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Finding the Fourth Proportional to 249,475.54, 373,961.16 and 107,413.48

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Solution

The fourth proportional to 249,475.54, 373,961.16 and 107,413.48 is: 161,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,475.54 : 373,961.16 = 107,413.48 : x
  2. Step 2: Convert to fraction form
    249,475.54/373,961.16 = 107,413.48/x
  3. Step 3: Cross multiply
    249,475.54x = 373,961.16 × 107,413.48
  4. Step 4: Simplify right side
    249,475.54x = 40,168,469,580.44
  5. Step 5: Solve for x
    x = 40,168,469,580.44/249,475.54
  6. Step 6: Final answer
    x = 161,011.66

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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.