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Finding the Fourth Proportional to 169,887.78, 234,448.02 and 93,410.01

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Solution

The fourth proportional to 169,887.78, 234,448.02 and 93,410.01 is: 128,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,887.78 : 234,448.02 = 93,410.01 : x
  2. Step 2: Convert to fraction form
    169,887.78/234,448.02 = 93,410.01/x
  3. Step 3: Cross multiply
    169,887.78x = 234,448.02 × 93,410.01
  4. Step 4: Simplify right side
    169,887.78x = 21,899,791,892.68
  5. Step 5: Solve for x
    x = 21,899,791,892.68/169,887.78
  6. Step 6: Final answer
    x = 128,907.40

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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.