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Finding the Fourth Proportional to 277,490.30, 416,066.87 and 108,808.52

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Solution

The fourth proportional to 277,490.30, 416,066.87 and 108,808.52 is: 163,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,490.30 : 416,066.87 = 108,808.52 : x
  2. Step 2: Convert to fraction form
    277,490.30/416,066.87 = 108,808.52/x
  3. Step 3: Cross multiply
    277,490.30x = 416,066.87 × 108,808.52
  4. Step 4: Simplify right side
    277,490.30x = 45,271,617,721.36
  5. Step 5: Solve for x
    x = 45,271,617,721.36/277,490.30
  6. Step 6: Final answer
    x = 163,146.67

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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.