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Finding the Fourth Proportional to 174,548.05, 240,800.39 and 109,978.09

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Solution

The fourth proportional to 174,548.05, 240,800.39 and 109,978.09 is: 151,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,548.05 : 240,800.39 = 109,978.09 : x
  2. Step 2: Convert to fraction form
    174,548.05/240,800.39 = 109,978.09/x
  3. Step 3: Cross multiply
    174,548.05x = 240,800.39 × 109,978.09
  4. Step 4: Simplify right side
    174,548.05x = 26,482,766,413.56
  5. Step 5: Solve for x
    x = 26,482,766,413.56/174,548.05
  6. Step 6: Final answer
    x = 151,721.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.