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Finding the Fourth Proportional to 246,638.92, 369,817.08 and 75,816.16

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Solution

The fourth proportional to 246,638.92, 369,817.08 and 75,816.16 is: 113,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,638.92 : 369,817.08 = 75,816.16 : x
  2. Step 2: Convert to fraction form
    246,638.92/369,817.08 = 75,816.16/x
  3. Step 3: Cross multiply
    246,638.92x = 369,817.08 × 75,816.16
  4. Step 4: Simplify right side
    246,638.92x = 28,038,110,908.01
  5. Step 5: Solve for x
    x = 28,038,110,908.01/246,638.92
  6. Step 6: Final answer
    x = 113,680.80

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1.5x scale

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.