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Finding the Fourth Proportional to 76,174.86, 105,230.82 and 60,841.26

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Solution

The fourth proportional to 76,174.86, 105,230.82 and 60,841.26 is: 84,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,174.86 : 105,230.82 = 60,841.26 : x
  2. Step 2: Convert to fraction form
    76,174.86/105,230.82 = 60,841.26/x
  3. Step 3: Cross multiply
    76,174.86x = 105,230.82 × 60,841.26
  4. Step 4: Simplify right side
    76,174.86x = 6,402,375,679.63
  5. Step 5: Solve for x
    x = 6,402,375,679.63/76,174.86
  6. Step 6: Final answer
    x = 84,048.41

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1.5x scale

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.