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Finding the Fourth Proportional to 79,088.94, 118,672.29 and 36,971.91

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Solution

The fourth proportional to 79,088.94, 118,672.29 and 36,971.91 is: 55,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.94 : 118,672.29 = 36,971.91 : x
  2. Step 2: Convert to fraction form
    79,088.94/118,672.29 = 36,971.91/x
  3. Step 3: Cross multiply
    79,088.94x = 118,672.29 × 36,971.91
  4. Step 4: Simplify right side
    79,088.94x = 4,387,541,225.37
  5. Step 5: Solve for x
    x = 4,387,541,225.37/79,088.94
  6. Step 6: Final answer
    x = 55,476.04

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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.