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Finding the Fourth Proportional to 171,368.15, 257,096.57 and 100,350.79

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Solution

The fourth proportional to 171,368.15, 257,096.57 and 100,350.79 is: 150,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,368.15 : 257,096.57 = 100,350.79 : x
  2. Step 2: Convert to fraction form
    171,368.15/257,096.57 = 100,350.79/x
  3. Step 3: Cross multiply
    171,368.15x = 257,096.57 × 100,350.79
  4. Step 4: Simplify right side
    171,368.15x = 25,799,842,761.29
  5. Step 5: Solve for x
    x = 25,799,842,761.29/171,368.15
  6. Step 6: Final answer
    x = 150,552.15

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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.