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Finding the Fourth Proportional to 246,670.65, 370,032.17 and 78,214.95

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Solution

The fourth proportional to 246,670.65, 370,032.17 and 78,214.95 is: 117,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,670.65 : 370,032.17 = 78,214.95 : x
  2. Step 2: Convert to fraction form
    246,670.65/370,032.17 = 78,214.95/x
  3. Step 3: Cross multiply
    246,670.65x = 370,032.17 × 78,214.95
  4. Step 4: Simplify right side
    246,670.65x = 28,942,047,283.87
  5. Step 5: Solve for x
    x = 28,942,047,283.87/246,670.65
  6. Step 6: Final answer
    x = 117,330.73

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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.