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Finding the Fourth Proportional to 103,360.24, 155,036.85 and 29,488.24

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Solution

The fourth proportional to 103,360.24, 155,036.85 and 29,488.24 is: 44,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,360.24 : 155,036.85 = 29,488.24 : x
  2. Step 2: Convert to fraction form
    103,360.24/155,036.85 = 29,488.24/x
  3. Step 3: Cross multiply
    103,360.24x = 155,036.85 × 29,488.24
  4. Step 4: Simplify right side
    103,360.24x = 4,571,763,841.64
  5. Step 5: Solve for x
    x = 4,571,763,841.64/103,360.24
  6. Step 6: Final answer
    x = 44,231.36

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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.