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Finding the Fourth Proportional to 114,751.05, 172,126.72 and 35,865.69

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Solution

The fourth proportional to 114,751.05, 172,126.72 and 35,865.69 is: 53,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,751.05 : 172,126.72 = 35,865.69 : x
  2. Step 2: Convert to fraction form
    114,751.05/172,126.72 = 35,865.69/x
  3. Step 3: Cross multiply
    114,751.05x = 172,126.72 × 35,865.69
  4. Step 4: Simplify right side
    114,751.05x = 6,173,443,400.91
  5. Step 5: Solve for x
    x = 6,173,443,400.91/114,751.05
  6. Step 6: Final answer
    x = 53,798.58

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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.