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Finding the Fourth Proportional to 117,339.66, 176,007.62 and 28,593.02

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Solution

The fourth proportional to 117,339.66, 176,007.62 and 28,593.02 is: 42,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,339.66 : 176,007.62 = 28,593.02 : x
  2. Step 2: Convert to fraction form
    117,339.66/176,007.62 = 28,593.02/x
  3. Step 3: Cross multiply
    117,339.66x = 176,007.62 × 28,593.02
  4. Step 4: Simplify right side
    117,339.66x = 5,032,588,375.81
  5. Step 5: Solve for x
    x = 5,032,588,375.81/117,339.66
  6. Step 6: Final answer
    x = 42,889.07

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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.