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Finding the Fourth Proportional to 174,189.69, 240,385.39 and 98,738.19

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Solution

The fourth proportional to 174,189.69, 240,385.39 and 98,738.19 is: 136,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,189.69 : 240,385.39 = 98,738.19 : x
  2. Step 2: Convert to fraction form
    174,189.69/240,385.39 = 98,738.19/x
  3. Step 3: Cross multiply
    174,189.69x = 240,385.39 × 98,738.19
  4. Step 4: Simplify right side
    174,189.69x = 23,735,218,064.20
  5. Step 5: Solve for x
    x = 23,735,218,064.20/174,189.69
  6. Step 6: Final answer
    x = 136,260.75

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1.5x scale

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.