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Finding the Fourth Proportional to 185,066.46, 277,605.45 and 79,812.06

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Solution

The fourth proportional to 185,066.46, 277,605.45 and 79,812.06 is: 119,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,066.46 : 277,605.45 = 79,812.06 : x
  2. Step 2: Convert to fraction form
    185,066.46/277,605.45 = 79,812.06/x
  3. Step 3: Cross multiply
    185,066.46x = 277,605.45 × 79,812.06
  4. Step 4: Simplify right side
    185,066.46x = 22,156,262,831.73
  5. Step 5: Solve for x
    x = 22,156,262,831.73/185,066.46
  6. Step 6: Final answer
    x = 119,720.57

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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.