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Finding the Fourth Proportional to 115,252.60, 159,062.22 and 64,273.60

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Solution

The fourth proportional to 115,252.60, 159,062.22 and 64,273.60 is: 88,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,252.60 : 159,062.22 = 64,273.60 : x
  2. Step 2: Convert to fraction form
    115,252.60/159,062.22 = 64,273.60/x
  3. Step 3: Cross multiply
    115,252.60x = 159,062.22 × 64,273.60
  4. Step 4: Simplify right side
    115,252.60x = 10,223,501,503.39
  5. Step 5: Solve for x
    x = 10,223,501,503.39/115,252.60
  6. Step 6: Final answer
    x = 88,705.17

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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.