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Finding the Fourth Proportional to 165,099.76, 227,845.32 and 93,470.32

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Solution

The fourth proportional to 165,099.76, 227,845.32 and 93,470.32 is: 128,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,099.76 : 227,845.32 = 93,470.32 : x
  2. Step 2: Convert to fraction form
    165,099.76/227,845.32 = 93,470.32/x
  3. Step 3: Cross multiply
    165,099.76x = 227,845.32 × 93,470.32
  4. Step 4: Simplify right side
    165,099.76x = 21,296,774,970.90
  5. Step 5: Solve for x
    x = 21,296,774,970.90/165,099.76
  6. Step 6: Final answer
    x = 128,993.37

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1.5x scale

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.