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Finding the Fourth Proportional to 174,430.92, 240,694.80 and 97,939.78

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Solution

The fourth proportional to 174,430.92, 240,694.80 and 97,939.78 is: 135,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,430.92 : 240,694.80 = 97,939.78 : x
  2. Step 2: Convert to fraction form
    174,430.92/240,694.80 = 97,939.78/x
  3. Step 3: Cross multiply
    174,430.92x = 240,694.80 × 97,939.78
  4. Step 4: Simplify right side
    174,430.92x = 23,573,595,759.14
  5. Step 5: Solve for x
    x = 23,573,595,759.14/174,430.92
  6. Step 6: Final answer
    x = 135,145.74

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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.