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Finding the Fourth Proportional to 79,354.41, 118,973.28 and 37,830.57

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Solution

The fourth proportional to 79,354.41, 118,973.28 and 37,830.57 is: 56,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,354.41 : 118,973.28 = 37,830.57 : x
  2. Step 2: Convert to fraction form
    79,354.41/118,973.28 = 37,830.57/x
  3. Step 3: Cross multiply
    79,354.41x = 118,973.28 × 37,830.57
  4. Step 4: Simplify right side
    79,354.41x = 4,500,826,997.17
  5. Step 5: Solve for x
    x = 4,500,826,997.17/79,354.41
  6. Step 6: Final answer
    x = 56,718.04

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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.