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Finding the Fourth Proportional to 79,088, 109,160.88 and 45,573.44

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Solution

The fourth proportional to 79,088, 109,160.88 and 45,573.44 is: 62,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088 : 109,160.88 = 45,573.44 : x
  2. Step 2: Convert to fraction form
    79,088/109,160.88 = 45,573.44/x
  3. Step 3: Cross multiply
    79,088x = 109,160.88 × 45,573.44
  4. Step 4: Simplify right side
    79,088x = 4,974,836,815.03
  5. Step 5: Solve for x
    x = 4,974,836,815.03/79,088
  6. Step 6: Final answer
    x = 62,902.55

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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.