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Finding the Fourth Proportional to 194,590.40, 291,807.48 and 94,721.48

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Solution

The fourth proportional to 194,590.40, 291,807.48 and 94,721.48 is: 142,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,590.40 : 291,807.48 = 94,721.48 : x
  2. Step 2: Convert to fraction form
    194,590.40/291,807.48 = 94,721.48/x
  3. Step 3: Cross multiply
    194,590.40x = 291,807.48 × 94,721.48
  4. Step 4: Simplify right side
    194,590.40x = 27,640,436,380.67
  5. Step 5: Solve for x
    x = 27,640,436,380.67/194,590.40
  6. Step 6: Final answer
    x = 142,044.19

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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.