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Finding the Fourth Proportional to 79,203.54, 118,792.89 and 25,895.15

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Solution

The fourth proportional to 79,203.54, 118,792.89 and 25,895.15 is: 38,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,203.54 : 118,792.89 = 25,895.15 : x
  2. Step 2: Convert to fraction form
    79,203.54/118,792.89 = 25,895.15/x
  3. Step 3: Cross multiply
    79,203.54x = 118,792.89 × 25,895.15
  4. Step 4: Simplify right side
    79,203.54x = 3,076,159,111.52
  5. Step 5: Solve for x
    x = 3,076,159,111.52/79,203.54
  6. Step 6: Final answer
    x = 38,838.66

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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.