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Finding the Fourth Proportional to 173,818.77, 239,890.10 and 105,875.52

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Solution

The fourth proportional to 173,818.77, 239,890.10 and 105,875.52 is: 146,120.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,818.77 : 239,890.10 = 105,875.52 : x
  2. Step 2: Convert to fraction form
    173,818.77/239,890.10 = 105,875.52/x
  3. Step 3: Cross multiply
    173,818.77x = 239,890.10 × 105,875.52
  4. Step 4: Simplify right side
    173,818.77x = 25,398,488,550.97
  5. Step 5: Solve for x
    x = 25,398,488,550.97/173,818.77
  6. Step 6: Final answer
    x = 146,120.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.