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Finding the Fourth Proportional to 170,103.45, 255,109.59 and 51,743.01

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Solution

The fourth proportional to 170,103.45, 255,109.59 and 51,743.01 is: 77,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,103.45 : 255,109.59 = 51,743.01 : x
  2. Step 2: Convert to fraction form
    170,103.45/255,109.59 = 51,743.01/x
  3. Step 3: Cross multiply
    170,103.45x = 255,109.59 × 51,743.01
  4. Step 4: Simplify right side
    170,103.45x = 13,200,138,066.47
  5. Step 5: Solve for x
    x = 13,200,138,066.47/170,103.45
  6. Step 6: Final answer
    x = 77,600.65

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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.