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Finding the Fourth Proportional to 79,285.61, 118,915.45 and 29,353.97

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Solution

The fourth proportional to 79,285.61, 118,915.45 and 29,353.97 is: 44,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,285.61 : 118,915.45 = 29,353.97 : x
  2. Step 2: Convert to fraction form
    79,285.61/118,915.45 = 29,353.97/x
  3. Step 3: Cross multiply
    79,285.61x = 118,915.45 × 29,353.97
  4. Step 4: Simplify right side
    79,285.61x = 3,490,640,551.84
  5. Step 5: Solve for x
    x = 3,490,640,551.84/79,285.61
  6. Step 6: Final answer
    x = 44,026.15

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1.5x scale

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.