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Finding the Fourth Proportional to 103,339.68, 155,005.44 and 29,467.68

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Solution

The fourth proportional to 103,339.68, 155,005.44 and 29,467.68 is: 44,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,339.68 : 155,005.44 = 29,467.68 : x
  2. Step 2: Convert to fraction form
    103,339.68/155,005.44 = 29,467.68/x
  3. Step 3: Cross multiply
    103,339.68x = 155,005.44 × 29,467.68
  4. Step 4: Simplify right side
    103,339.68x = 4,567,650,704.18
  5. Step 5: Solve for x
    x = 4,567,650,704.18/103,339.68
  6. Step 6: Final answer
    x = 44,200.36

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1.5x scale

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.