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Finding the Fourth Proportional to 92,108.88, 138,163.32 and 29,784.24

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Solution

The fourth proportional to 92,108.88, 138,163.32 and 29,784.24 is: 44,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,108.88 : 138,163.32 = 29,784.24 : x
  2. Step 2: Convert to fraction form
    92,108.88/138,163.32 = 29,784.24/x
  3. Step 3: Cross multiply
    92,108.88x = 138,163.32 × 29,784.24
  4. Step 4: Simplify right side
    92,108.88x = 4,115,089,482.08
  5. Step 5: Solve for x
    x = 4,115,089,482.08/92,108.88
  6. Step 6: Final answer
    x = 44,676.36

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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.