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Finding the Fourth Proportional to 170,655.39, 254,685.42 and 151,739.10

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Solution

The fourth proportional to 170,655.39, 254,685.42 and 151,739.10 is: 226,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,655.39 : 254,685.42 = 151,739.10 : x
  2. Step 2: Convert to fraction form
    170,655.39/254,685.42 = 151,739.10/x
  3. Step 3: Cross multiply
    170,655.39x = 254,685.42 × 151,739.10
  4. Step 4: Simplify right side
    170,655.39x = 38,645,736,413.92
  5. Step 5: Solve for x
    x = 38,645,736,413.92/170,655.39
  6. Step 6: Final answer
    x = 226,454.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.