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Finding the Fourth Proportional to 174,420.10, 240,696.67 and 97,939.80

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Solution

The fourth proportional to 174,420.10, 240,696.67 and 97,939.80 is: 135,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,420.10 : 240,696.67 = 97,939.80 : x
  2. Step 2: Convert to fraction form
    174,420.10/240,696.67 = 97,939.80/x
  3. Step 3: Cross multiply
    174,420.10x = 240,696.67 × 97,939.80
  4. Step 4: Simplify right side
    174,420.10x = 23,573,783,720.47
  5. Step 5: Solve for x
    x = 23,573,783,720.47/174,420.10
  6. Step 6: Final answer
    x = 135,155.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.