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Finding the Fourth Proportional to 159,173.25, 238,677.71 and 46,838.87

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Solution

The fourth proportional to 159,173.25, 238,677.71 and 46,838.87 is: 70,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,173.25 : 238,677.71 = 46,838.87 : x
  2. Step 2: Convert to fraction form
    159,173.25/238,677.71 = 46,838.87/x
  3. Step 3: Cross multiply
    159,173.25x = 238,677.71 × 46,838.87
  4. Step 4: Simplify right side
    159,173.25x = 11,179,392,803.00
  5. Step 5: Solve for x
    x = 11,179,392,803.00/159,173.25
  6. Step 6: Final answer
    x = 70,234.12

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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.