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Finding the Fourth Proportional to 170,240.68, 255,402.38 and 51,914.12

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Solution

The fourth proportional to 170,240.68, 255,402.38 and 51,914.12 is: 77,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,240.68 : 255,402.38 = 51,914.12 : x
  2. Step 2: Convert to fraction form
    170,240.68/255,402.38 = 51,914.12/x
  3. Step 3: Cross multiply
    170,240.68x = 255,402.38 × 51,914.12
  4. Step 4: Simplify right side
    170,240.68x = 13,258,989,803.61
  5. Step 5: Solve for x
    x = 13,258,989,803.61/170,240.68
  6. Step 6: Final answer
    x = 77,883.79

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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.