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Finding the Fourth Proportional to 246,527.92, 369,847.28 and 78,058.32

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Solution

The fourth proportional to 246,527.92, 369,847.28 and 78,058.32 is: 117,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,527.92 : 369,847.28 = 78,058.32 : x
  2. Step 2: Convert to fraction form
    246,527.92/369,847.28 = 78,058.32/x
  3. Step 3: Cross multiply
    246,527.92x = 369,847.28 × 78,058.32
  4. Step 4: Simplify right side
    246,527.92x = 28,869,657,333.37
  5. Step 5: Solve for x
    x = 28,869,657,333.37/246,527.92
  6. Step 6: Final answer
    x = 117,105.02

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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.