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Finding the Fourth Proportional to 174,170.80, 240,348.90 and 98,717.68

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Solution

The fourth proportional to 174,170.80, 240,348.90 and 98,717.68 is: 136,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,170.80 : 240,348.90 = 98,717.68 : x
  2. Step 2: Convert to fraction form
    174,170.80/240,348.90 = 98,717.68/x
  3. Step 3: Cross multiply
    174,170.80x = 240,348.90 × 98,717.68
  4. Step 4: Simplify right side
    174,170.80x = 23,726,685,798.55
  5. Step 5: Solve for x
    x = 23,726,685,798.55/174,170.80
  6. Step 6: Final answer
    x = 136,226.54

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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.