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Finding the Fourth Proportional to 79,531.64, 119,297.48 and 37,380.77

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Solution

The fourth proportional to 79,531.64, 119,297.48 and 37,380.77 is: 56,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,531.64 : 119,297.48 = 37,380.77 : x
  2. Step 2: Convert to fraction form
    79,531.64/119,297.48 = 37,380.77/x
  3. Step 3: Cross multiply
    79,531.64x = 119,297.48 × 37,380.77
  4. Step 4: Simplify right side
    79,531.64x = 4,459,431,661.46
  5. Step 5: Solve for x
    x = 4,459,431,661.46/79,531.64
  6. Step 6: Final answer
    x = 56,071.16

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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.