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Finding the Fourth Proportional to 79,152.90, 118,730.88 and 37,009.74

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Solution

The fourth proportional to 79,152.90, 118,730.88 and 37,009.74 is: 55,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,152.90 : 118,730.88 = 37,009.74 : x
  2. Step 2: Convert to fraction form
    79,152.90/118,730.88 = 37,009.74/x
  3. Step 3: Cross multiply
    79,152.90x = 118,730.88 × 37,009.74
  4. Step 4: Simplify right side
    79,152.90x = 4,394,198,998.77
  5. Step 5: Solve for x
    x = 4,394,198,998.77/79,152.90
  6. Step 6: Final answer
    x = 55,515.33

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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.