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Finding the Fourth Proportional to 93,097.44, 128,470.60 and 50,655.96

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Solution

The fourth proportional to 93,097.44, 128,470.60 and 50,655.96 is: 69,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,097.44 : 128,470.60 = 50,655.96 : x
  2. Step 2: Convert to fraction form
    93,097.44/128,470.60 = 50,655.96/x
  3. Step 3: Cross multiply
    93,097.44x = 128,470.60 × 50,655.96
  4. Step 4: Simplify right side
    93,097.44x = 6,507,801,574.78
  5. Step 5: Solve for x
    x = 6,507,801,574.78/93,097.44
  6. Step 6: Final answer
    x = 69,903.12

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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.