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Finding the Fourth Proportional to 226,381.32, 312,406.02 and 124,413.32

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Solution

The fourth proportional to 226,381.32, 312,406.02 and 124,413.32 is: 171,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,381.32 : 312,406.02 = 124,413.32 : x
  2. Step 2: Convert to fraction form
    226,381.32/312,406.02 = 124,413.32/x
  3. Step 3: Cross multiply
    226,381.32x = 312,406.02 × 124,413.32
  4. Step 4: Simplify right side
    226,381.32x = 38,867,470,917.20
  5. Step 5: Solve for x
    x = 38,867,470,917.20/226,381.32
  6. Step 6: Final answer
    x = 171,690.27

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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.