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Finding the Fourth Proportional to 69,495.22, 95,854.53 and 42,650.74

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Solution

The fourth proportional to 69,495.22, 95,854.53 and 42,650.74 is: 58,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,495.22 : 95,854.53 = 42,650.74 : x
  2. Step 2: Convert to fraction form
    69,495.22/95,854.53 = 42,650.74/x
  3. Step 3: Cross multiply
    69,495.22x = 95,854.53 × 42,650.74
  4. Step 4: Simplify right side
    69,495.22x = 4,088,266,636.85
  5. Step 5: Solve for x
    x = 4,088,266,636.85/69,495.22
  6. Step 6: Final answer
    x = 58,828.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.