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Finding the Fourth Proportional to 170,144.35, 254,935.70 and 98,866.91

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Solution

The fourth proportional to 170,144.35, 254,935.70 and 98,866.91 is: 148,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,144.35 : 254,935.70 = 98,866.91 : x
  2. Step 2: Convert to fraction form
    170,144.35/254,935.70 = 98,866.91/x
  3. Step 3: Cross multiply
    170,144.35x = 254,935.70 × 98,866.91
  4. Step 4: Simplify right side
    170,144.35x = 25,204,704,907.69
  5. Step 5: Solve for x
    x = 25,204,704,907.69/170,144.35
  6. Step 6: Final answer
    x = 148,137.18

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1.5x scale

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.