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Finding the Fourth Proportional to 181,880.80, 272,821.20 and 93,104.80

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Solution

The fourth proportional to 181,880.80, 272,821.20 and 93,104.80 is: 139,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,880.80 : 272,821.20 = 93,104.80 : x
  2. Step 2: Convert to fraction form
    181,880.80/272,821.20 = 93,104.80/x
  3. Step 3: Cross multiply
    181,880.80x = 272,821.20 × 93,104.80
  4. Step 4: Simplify right side
    181,880.80x = 25,400,963,261.76
  5. Step 5: Solve for x
    x = 25,400,963,261.76/181,880.80
  6. Step 6: Final answer
    x = 139,657.20

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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.