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Finding the Fourth Proportional to 246,494.95, 369,752.45 and 78,018.49

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Solution

The fourth proportional to 246,494.95, 369,752.45 and 78,018.49 is: 117,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,494.95 : 369,752.45 = 78,018.49 : x
  2. Step 2: Convert to fraction form
    246,494.95/369,752.45 = 78,018.49/x
  3. Step 3: Cross multiply
    246,494.95x = 369,752.45 × 78,018.49
  4. Step 4: Simplify right side
    246,494.95x = 28,847,527,894.90
  5. Step 5: Solve for x
    x = 28,847,527,894.90/246,494.95
  6. Step 6: Final answer
    x = 117,030.91

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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.