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Finding the Fourth Proportional to 76,101.16, 105,012.42 and 44,269.48

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Solution

The fourth proportional to 76,101.16, 105,012.42 and 44,269.48 is: 61,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,101.16 : 105,012.42 = 44,269.48 : x
  2. Step 2: Convert to fraction form
    76,101.16/105,012.42 = 44,269.48/x
  3. Step 3: Cross multiply
    76,101.16x = 105,012.42 × 44,269.48
  4. Step 4: Simplify right side
    76,101.16x = 4,648,845,226.94
  5. Step 5: Solve for x
    x = 4,648,845,226.94/76,101.16
  6. Step 6: Final answer
    x = 61,087.71

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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.