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Finding the Fourth Proportional to 277,887, 416,830.50 and 67,525.56

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Solution

The fourth proportional to 277,887, 416,830.50 and 67,525.56 is: 101,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,887 : 416,830.50 = 67,525.56 : x
  2. Step 2: Convert to fraction form
    277,887/416,830.50 = 67,525.56/x
  3. Step 3: Cross multiply
    277,887x = 416,830.50 × 67,525.56
  4. Step 4: Simplify right side
    277,887x = 28,146,712,937.58
  5. Step 5: Solve for x
    x = 28,146,712,937.58/277,887
  6. Step 6: Final answer
    x = 101,288.34

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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.