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Finding the Fourth Proportional to 226,413.70, 312,454.13 and 124,448.58

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Solution

The fourth proportional to 226,413.70, 312,454.13 and 124,448.58 is: 171,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,413.70 : 312,454.13 = 124,448.58 : x
  2. Step 2: Convert to fraction form
    226,413.70/312,454.13 = 124,448.58/x
  3. Step 3: Cross multiply
    226,413.70x = 312,454.13 × 124,448.58
  4. Step 4: Simplify right side
    226,413.70x = 38,884,472,793.64
  5. Step 5: Solve for x
    x = 38,884,472,793.64/226,413.70
  6. Step 6: Final answer
    x = 171,740.81

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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.