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Finding the Fourth Proportional to 246,051.80, 369,077.70 and 157,405.40

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Solution

The fourth proportional to 246,051.80, 369,077.70 and 157,405.40 is: 236,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,051.80 : 369,077.70 = 157,405.40 : x
  2. Step 2: Convert to fraction form
    246,051.80/369,077.70 = 157,405.40/x
  3. Step 3: Cross multiply
    246,051.80x = 369,077.70 × 157,405.40
  4. Step 4: Simplify right side
    246,051.80x = 58,094,822,999.58
  5. Step 5: Solve for x
    x = 58,094,822,999.58/246,051.80
  6. Step 6: Final answer
    x = 236,108.10

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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.