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Finding the Fourth Proportional to 168,035.80, 252,053.70 and 105,827.80

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Solution

The fourth proportional to 168,035.80, 252,053.70 and 105,827.80 is: 158,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,035.80 : 252,053.70 = 105,827.80 : x
  2. Step 2: Convert to fraction form
    168,035.80/252,053.70 = 105,827.80/x
  3. Step 3: Cross multiply
    168,035.80x = 252,053.70 × 105,827.80
  4. Step 4: Simplify right side
    168,035.80x = 26,674,288,552.86
  5. Step 5: Solve for x
    x = 26,674,288,552.86/168,035.80
  6. Step 6: Final answer
    x = 158,741.70

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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.