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Finding the Fourth Proportional to 173,414.66, 260,142.80 and 61,071.64

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Solution

The fourth proportional to 173,414.66, 260,142.80 and 61,071.64 is: 91,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,414.66 : 260,142.80 = 61,071.64 : x
  2. Step 2: Convert to fraction form
    173,414.66/260,142.80 = 61,071.64/x
  3. Step 3: Cross multiply
    173,414.66x = 260,142.80 × 61,071.64
  4. Step 4: Simplify right side
    173,414.66x = 15,887,346,932.51
  5. Step 5: Solve for x
    x = 15,887,346,932.51/173,414.66
  6. Step 6: Final answer
    x = 91,614.79

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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.