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Finding the Fourth Proportional to 116,288.78, 174,322.43 and 37,347.64

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Solution

The fourth proportional to 116,288.78, 174,322.43 and 37,347.64 is: 55,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,288.78 : 174,322.43 = 37,347.64 : x
  2. Step 2: Convert to fraction form
    116,288.78/174,322.43 = 37,347.64/x
  3. Step 3: Cross multiply
    116,288.78x = 174,322.43 × 37,347.64
  4. Step 4: Simplify right side
    116,288.78x = 6,510,532,102.78
  5. Step 5: Solve for x
    x = 6,510,532,102.78/116,288.78
  6. Step 6: Final answer
    x = 55,985.90

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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.