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Finding the Fourth Proportional to 82,641.53, 114,044.73 and 44,915.78

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Solution

The fourth proportional to 82,641.53, 114,044.73 and 44,915.78 is: 61,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,641.53 : 114,044.73 = 44,915.78 : x
  2. Step 2: Convert to fraction form
    82,641.53/114,044.73 = 44,915.78/x
  3. Step 3: Cross multiply
    82,641.53x = 114,044.73 × 44,915.78
  4. Step 4: Simplify right side
    82,641.53x = 5,122,408,002.84
  5. Step 5: Solve for x
    x = 5,122,408,002.84/82,641.53
  6. Step 6: Final answer
    x = 61,983.46

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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.