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Finding the Fourth Proportional to 117,452.31, 176,178.47 and 34,346.31

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Solution

The fourth proportional to 117,452.31, 176,178.47 and 34,346.31 is: 51,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,452.31 : 176,178.47 = 34,346.31 : x
  2. Step 2: Convert to fraction form
    117,452.31/176,178.47 = 34,346.31/x
  3. Step 3: Cross multiply
    117,452.31x = 176,178.47 × 34,346.31
  4. Step 4: Simplify right side
    117,452.31x = 6,051,080,174.21
  5. Step 5: Solve for x
    x = 6,051,080,174.21/117,452.31
  6. Step 6: Final answer
    x = 51,519.47

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1.5x scale

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.