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Finding the Fourth Proportional to 277,702.11, 416,553.21 and 67,339.98

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Solution

The fourth proportional to 277,702.11, 416,553.21 and 67,339.98 is: 101,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,702.11 : 416,553.21 = 67,339.98 : x
  2. Step 2: Convert to fraction form
    277,702.11/416,553.21 = 67,339.98/x
  3. Step 3: Cross multiply
    277,702.11x = 416,553.21 × 67,339.98
  4. Step 4: Simplify right side
    277,702.11x = 28,050,684,830.34
  5. Step 5: Solve for x
    x = 28,050,684,830.34/277,702.11
  6. Step 6: Final answer
    x = 101,009.98

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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.