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Finding the Fourth Proportional to 246,872.95, 370,271.59 and 78,371.28

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Solution

The fourth proportional to 246,872.95, 370,271.59 and 78,371.28 is: 117,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,872.95 : 370,271.59 = 78,371.28 : x
  2. Step 2: Convert to fraction form
    246,872.95/370,271.59 = 78,371.28/x
  3. Step 3: Cross multiply
    246,872.95x = 370,271.59 × 78,371.28
  4. Step 4: Simplify right side
    246,872.95x = 29,018,658,260.01
  5. Step 5: Solve for x
    x = 29,018,658,260.01/246,872.95
  6. Step 6: Final answer
    x = 117,544.91

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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.