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Finding the Fourth Proportional to 89,852.42, 124,044.90 and 54,050.42

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Solution

The fourth proportional to 89,852.42, 124,044.90 and 54,050.42 is: 74,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,852.42 : 124,044.90 = 54,050.42 : x
  2. Step 2: Convert to fraction form
    89,852.42/124,044.90 = 54,050.42/x
  3. Step 3: Cross multiply
    89,852.42x = 124,044.90 × 54,050.42
  4. Step 4: Simplify right side
    89,852.42x = 6,704,678,943.86
  5. Step 5: Solve for x
    x = 6,704,678,943.86/89,852.42
  6. Step 6: Final answer
    x = 74,618.79

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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.