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Finding the Fourth Proportional to 157,791.32, 236,760.72 and 69,033.32

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Solution

The fourth proportional to 157,791.32, 236,760.72 and 69,033.32 is: 103,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,791.32 : 236,760.72 = 69,033.32 : x
  2. Step 2: Convert to fraction form
    157,791.32/236,760.72 = 69,033.32/x
  3. Step 3: Cross multiply
    157,791.32x = 236,760.72 × 69,033.32
  4. Step 4: Simplify right side
    157,791.32x = 16,344,378,547.19
  5. Step 5: Solve for x
    x = 16,344,378,547.19/157,791.32
  6. Step 6: Final answer
    x = 103,582.24

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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.