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Finding the Fourth Proportional to 246,047.22, 368,939.61 and 127,424.34

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Solution

The fourth proportional to 246,047.22, 368,939.61 and 127,424.34 is: 191,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,047.22 : 368,939.61 = 127,424.34 : x
  2. Step 2: Convert to fraction form
    246,047.22/368,939.61 = 127,424.34/x
  3. Step 3: Cross multiply
    246,047.22x = 368,939.61 × 127,424.34
  4. Step 4: Simplify right side
    246,047.22x = 47,011,886,304.11
  5. Step 5: Solve for x
    x = 47,011,886,304.11/246,047.22
  6. Step 6: Final answer
    x = 191,068.55

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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.