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Finding the Fourth Proportional to 117,322.68, 176,009.52 and 38,433.96

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Solution

The fourth proportional to 117,322.68, 176,009.52 and 38,433.96 is: 57,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,322.68 : 176,009.52 = 38,433.96 : x
  2. Step 2: Convert to fraction form
    117,322.68/176,009.52 = 38,433.96/x
  3. Step 3: Cross multiply
    117,322.68x = 176,009.52 × 38,433.96
  4. Step 4: Simplify right side
    117,322.68x = 6,764,742,851.30
  5. Step 5: Solve for x
    x = 6,764,742,851.30/117,322.68
  6. Step 6: Final answer
    x = 57,659.29

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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.