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Finding the Fourth Proportional to 356,875.14, 492,490.13 and 195,731.34

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Solution

The fourth proportional to 356,875.14, 492,490.13 and 195,731.34 is: 270,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,875.14 : 492,490.13 = 195,731.34 : x
  2. Step 2: Convert to fraction form
    356,875.14/492,490.13 = 195,731.34/x
  3. Step 3: Cross multiply
    356,875.14x = 492,490.13 × 195,731.34
  4. Step 4: Simplify right side
    356,875.14x = 96,395,752,103.02
  5. Step 5: Solve for x
    x = 96,395,752,103.02/356,875.14
  6. Step 6: Final answer
    x = 270,110.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.