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Finding the Fourth Proportional to 82,640.88, 114,045.30 and 44,915.12

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Solution

The fourth proportional to 82,640.88, 114,045.30 and 44,915.12 is: 61,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,640.88 : 114,045.30 = 44,915.12 : x
  2. Step 2: Convert to fraction form
    82,640.88/114,045.30 = 44,915.12/x
  3. Step 3: Cross multiply
    82,640.88x = 114,045.30 × 44,915.12
  4. Step 4: Simplify right side
    82,640.88x = 5,122,358,334.94
  5. Step 5: Solve for x
    x = 5,122,358,334.94/82,640.88
  6. Step 6: Final answer
    x = 61,983.35

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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.