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Finding the Fourth Proportional to 101,358, 152,037.54 and 27,486

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Solution

The fourth proportional to 101,358, 152,037.54 and 27,486 is: 41,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,358 : 152,037.54 = 27,486 : x
  2. Step 2: Convert to fraction form
    101,358/152,037.54 = 27,486/x
  3. Step 3: Cross multiply
    101,358x = 152,037.54 × 27,486
  4. Step 4: Simplify right side
    101,358x = 4,178,903,824.44
  5. Step 5: Solve for x
    x = 4,178,903,824.44/101,358
  6. Step 6: Final answer
    x = 41,229.15

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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.