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Finding the Fourth Proportional to 168,125.61, 252,122.81 and 73,384.77

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Solution

The fourth proportional to 168,125.61, 252,122.81 and 73,384.77 is: 110,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,125.61 : 252,122.81 = 73,384.77 : x
  2. Step 2: Convert to fraction form
    168,125.61/252,122.81 = 73,384.77/x
  3. Step 3: Cross multiply
    168,125.61x = 252,122.81 × 73,384.77
  4. Step 4: Simplify right side
    168,125.61x = 18,501,974,056.68
  5. Step 5: Solve for x
    x = 18,501,974,056.68/168,125.61
  6. Step 6: Final answer
    x = 110,048.52

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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.