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Finding the Fourth Proportional to 188,732.52, 283,098.78 and 170,011.80

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Solution

The fourth proportional to 188,732.52, 283,098.78 and 170,011.80 is: 255,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,732.52 : 283,098.78 = 170,011.80 : x
  2. Step 2: Convert to fraction form
    188,732.52/283,098.78 = 170,011.80/x
  3. Step 3: Cross multiply
    188,732.52x = 283,098.78 × 170,011.80
  4. Step 4: Simplify right side
    188,732.52x = 48,130,133,165.60
  5. Step 5: Solve for x
    x = 48,130,133,165.60/188,732.52
  6. Step 6: Final answer
    x = 255,017.70

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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.