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Finding the Fourth Proportional to 283,433.86, 425,175.27 and 73,070.02

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Solution

The fourth proportional to 283,433.86, 425,175.27 and 73,070.02 is: 109,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,433.86 : 425,175.27 = 73,070.02 : x
  2. Step 2: Convert to fraction form
    283,433.86/425,175.27 = 73,070.02/x
  3. Step 3: Cross multiply
    283,433.86x = 425,175.27 × 73,070.02
  4. Step 4: Simplify right side
    283,433.86x = 31,067,565,482.41
  5. Step 5: Solve for x
    x = 31,067,565,482.41/283,433.86
  6. Step 6: Final answer
    x = 109,611.34

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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.