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Finding the Fourth Proportional to 76,369.89, 114,565.25 and 44,364

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Solution

The fourth proportional to 76,369.89, 114,565.25 and 44,364 is: 66,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,369.89 : 114,565.25 = 44,364 : x
  2. Step 2: Convert to fraction form
    76,369.89/114,565.25 = 44,364/x
  3. Step 3: Cross multiply
    76,369.89x = 114,565.25 × 44,364
  4. Step 4: Simplify right side
    76,369.89x = 5,082,572,751
  5. Step 5: Solve for x
    x = 5,082,572,751/76,369.89
  6. Step 6: Final answer
    x = 66,552.05

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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.