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Finding the Fourth Proportional to 170,203.72, 255,343.48 and 51,884.28

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Solution

The fourth proportional to 170,203.72, 255,343.48 and 51,884.28 is: 77,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,203.72 : 255,343.48 = 51,884.28 : x
  2. Step 2: Convert to fraction form
    170,203.72/255,343.48 = 51,884.28/x
  3. Step 3: Cross multiply
    170,203.72x = 255,343.48 × 51,884.28
  4. Step 4: Simplify right side
    170,203.72x = 13,248,312,612.49
  5. Step 5: Solve for x
    x = 13,248,312,612.49/170,203.72
  6. Step 6: Final answer
    x = 77,837.97

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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.