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Finding the Fourth Proportional to 293,045.78, 439,603.74 and 103,467.17

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Solution

The fourth proportional to 293,045.78, 439,603.74 and 103,467.17 is: 155,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,045.78 : 439,603.74 = 103,467.17 : x
  2. Step 2: Convert to fraction form
    293,045.78/439,603.74 = 103,467.17/x
  3. Step 3: Cross multiply
    293,045.78x = 439,603.74 × 103,467.17
  4. Step 4: Simplify right side
    293,045.78x = 45,484,555,998.23
  5. Step 5: Solve for x
    x = 45,484,555,998.23/293,045.78
  6. Step 6: Final answer
    x = 155,213.14

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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.