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Finding the Fourth Proportional to 194,404.52, 291,645.66 and 61,305.32

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Solution

The fourth proportional to 194,404.52, 291,645.66 and 61,305.32 is: 91,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,404.52 : 291,645.66 = 61,305.32 : x
  2. Step 2: Convert to fraction form
    194,404.52/291,645.66 = 61,305.32/x
  3. Step 3: Cross multiply
    194,404.52x = 291,645.66 × 61,305.32
  4. Step 4: Simplify right side
    194,404.52x = 17,879,430,512.91
  5. Step 5: Solve for x
    x = 17,879,430,512.91/194,404.52
  6. Step 6: Final answer
    x = 91,970.24

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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.