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Finding the Fourth Proportional to 79,088.92, 118,648.42 and 29,172.93

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Solution

The fourth proportional to 79,088.92, 118,648.42 and 29,172.93 is: 43,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.92 : 118,648.42 = 29,172.93 : x
  2. Step 2: Convert to fraction form
    79,088.92/118,648.42 = 29,172.93/x
  3. Step 3: Cross multiply
    79,088.92x = 118,648.42 × 29,172.93
  4. Step 4: Simplify right side
    79,088.92x = 3,461,321,533.41
  5. Step 5: Solve for x
    x = 3,461,321,533.41/79,088.92
  6. Step 6: Final answer
    x = 43,764.94

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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.