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Finding the Fourth Proportional to 342,801.59, 514,284.39 and 143,010.93

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Solution

The fourth proportional to 342,801.59, 514,284.39 and 143,010.93 is: 214,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,801.59 : 514,284.39 = 143,010.93 : x
  2. Step 2: Convert to fraction form
    342,801.59/514,284.39 = 143,010.93/x
  3. Step 3: Cross multiply
    342,801.59x = 514,284.39 × 143,010.93
  4. Step 4: Simplify right side
    342,801.59x = 73,548,288,898.38
  5. Step 5: Solve for x
    x = 73,548,288,898.38/342,801.59
  6. Step 6: Final answer
    x = 214,550.61

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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.