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Finding the Fourth Proportional to 104,889.60, 157,392 and 49,484.16

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Solution

The fourth proportional to 104,889.60, 157,392 and 49,484.16 is: 74,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,889.60 : 157,392 = 49,484.16 : x
  2. Step 2: Convert to fraction form
    104,889.60/157,392 = 49,484.16/x
  3. Step 3: Cross multiply
    104,889.60x = 157,392 × 49,484.16
  4. Step 4: Simplify right side
    104,889.60x = 7,788,410,910.72
  5. Step 5: Solve for x
    x = 7,788,410,910.72/104,889.60
  6. Step 6: Final answer
    x = 74,253.41

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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.