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Finding the Fourth Proportional to 246,056.80, 369,085.20 and 157,410.40

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Solution

The fourth proportional to 246,056.80, 369,085.20 and 157,410.40 is: 236,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,056.80 : 369,085.20 = 157,410.40 : x
  2. Step 2: Convert to fraction form
    246,056.80/369,085.20 = 157,410.40/x
  3. Step 3: Cross multiply
    246,056.80x = 369,085.20 × 157,410.40
  4. Step 4: Simplify right side
    246,056.80x = 58,097,848,966.08
  5. Step 5: Solve for x
    x = 58,097,848,966.08/246,056.80
  6. Step 6: Final answer
    x = 236,115.60

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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.