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Finding the Fourth Proportional to 246,510.57, 369,821.23 and 78,041.01

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Solution

The fourth proportional to 246,510.57, 369,821.23 and 78,041.01 is: 117,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,510.57 : 369,821.23 = 78,041.01 : x
  2. Step 2: Convert to fraction form
    246,510.57/369,821.23 = 78,041.01/x
  3. Step 3: Cross multiply
    246,510.57x = 369,821.23 × 78,041.01
  4. Step 4: Simplify right side
    246,510.57x = 28,861,222,113.54
  5. Step 5: Solve for x
    x = 28,861,222,113.54/246,510.57
  6. Step 6: Final answer
    x = 117,079.04

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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.