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Finding the Fourth Proportional to 170,051.80, 255,077.70 and 43,691.80

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Solution

The fourth proportional to 170,051.80, 255,077.70 and 43,691.80 is: 65,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,051.80 : 255,077.70 = 43,691.80 : x
  2. Step 2: Convert to fraction form
    170,051.80/255,077.70 = 43,691.80/x
  3. Step 3: Cross multiply
    170,051.80x = 255,077.70 × 43,691.80
  4. Step 4: Simplify right side
    170,051.80x = 11,144,803,852.86
  5. Step 5: Solve for x
    x = 11,144,803,852.86/170,051.80
  6. Step 6: Final answer
    x = 65,537.70

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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.