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Finding the Fourth Proportional to 104,891.60, 157,395 and 49,486.16

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Solution

The fourth proportional to 104,891.60, 157,395 and 49,486.16 is: 74,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,891.60 : 157,395 = 49,486.16 : x
  2. Step 2: Convert to fraction form
    104,891.60/157,395 = 49,486.16/x
  3. Step 3: Cross multiply
    104,891.60x = 157,395 × 49,486.16
  4. Step 4: Simplify right side
    104,891.60x = 7,788,874,153.20
  5. Step 5: Solve for x
    x = 7,788,874,153.20/104,891.60
  6. Step 6: Final answer
    x = 74,256.41

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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.