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Finding the Fourth Proportional to 246,522.61, 369,839.36 and 78,053.05

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Solution

The fourth proportional to 246,522.61, 369,839.36 and 78,053.05 is: 117,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,522.61 : 369,839.36 = 78,053.05 : x
  2. Step 2: Convert to fraction form
    246,522.61/369,839.36 = 78,053.05/x
  3. Step 3: Cross multiply
    246,522.61x = 369,839.36 × 78,053.05
  4. Step 4: Simplify right side
    246,522.61x = 28,867,090,058.05
  5. Step 5: Solve for x
    x = 28,867,090,058.05/246,522.61
  6. Step 6: Final answer
    x = 117,097.13

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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.