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Finding the Fourth Proportional to 82,641.84, 114,040.92 and 44,915.76

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Solution

The fourth proportional to 82,641.84, 114,040.92 and 44,915.76 is: 61,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,641.84 : 114,040.92 = 44,915.76 : x
  2. Step 2: Convert to fraction form
    82,641.84/114,040.92 = 44,915.76/x
  3. Step 3: Cross multiply
    82,641.84x = 114,040.92 × 44,915.76
  4. Step 4: Simplify right side
    82,641.84x = 5,122,234,592.90
  5. Step 5: Solve for x
    x = 5,122,234,592.90/82,641.84
  6. Step 6: Final answer
    x = 61,981.13

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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.