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Finding the Fourth Proportional to 101,766.48, 152,457.04 and 67,930.47

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Solution

The fourth proportional to 101,766.48, 152,457.04 and 67,930.47 is: 101,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,766.48 : 152,457.04 = 67,930.47 : x
  2. Step 2: Convert to fraction form
    101,766.48/152,457.04 = 67,930.47/x
  3. Step 3: Cross multiply
    101,766.48x = 152,457.04 × 67,930.47
  4. Step 4: Simplify right side
    101,766.48x = 10,356,478,275.87
  5. Step 5: Solve for x
    x = 10,356,478,275.87/101,766.48
  6. Step 6: Final answer
    x = 101,767.09

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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.