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Finding the Fourth Proportional to 123,207.77, 184,831.59 and 48,287.29

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Solution

The fourth proportional to 123,207.77, 184,831.59 and 48,287.29 is: 72,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,207.77 : 184,831.59 = 48,287.29 : x
  2. Step 2: Convert to fraction form
    123,207.77/184,831.59 = 48,287.29/x
  3. Step 3: Cross multiply
    123,207.77x = 184,831.59 × 48,287.29
  4. Step 4: Simplify right side
    123,207.77x = 8,925,016,587.49
  5. Step 5: Solve for x
    x = 8,925,016,587.49/123,207.77
  6. Step 6: Final answer
    x = 72,438.75

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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.