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Finding the Fourth Proportional to 171,368.94, 257,097.76 and 100,351.59

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Solution

The fourth proportional to 171,368.94, 257,097.76 and 100,351.59 is: 150,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,368.94 : 257,097.76 = 100,351.59 : x
  2. Step 2: Convert to fraction form
    171,368.94/257,097.76 = 100,351.59/x
  3. Step 3: Cross multiply
    171,368.94x = 257,097.76 × 100,351.59
  4. Step 4: Simplify right side
    171,368.94x = 25,800,168,350.92
  5. Step 5: Solve for x
    x = 25,800,168,350.92/171,368.94
  6. Step 6: Final answer
    x = 150,553.35

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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.