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Finding the Fourth Proportional to 115,502.63, 173,323.06 and 49,838.63

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Solution

The fourth proportional to 115,502.63, 173,323.06 and 49,838.63 is: 74,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,502.63 : 173,323.06 = 49,838.63 : x
  2. Step 2: Convert to fraction form
    115,502.63/173,323.06 = 49,838.63/x
  3. Step 3: Cross multiply
    115,502.63x = 173,323.06 × 49,838.63
  4. Step 4: Simplify right side
    115,502.63x = 8,638,182,866.60
  5. Step 5: Solve for x
    x = 8,638,182,866.60/115,502.63
  6. Step 6: Final answer
    x = 74,787.76

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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.