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Finding the Fourth Proportional to 176,733, 265,129.28 and 81,924.76

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Solution

The fourth proportional to 176,733, 265,129.28 and 81,924.76 is: 122,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,733 : 265,129.28 = 81,924.76 : x
  2. Step 2: Convert to fraction form
    176,733/265,129.28 = 81,924.76/x
  3. Step 3: Cross multiply
    176,733x = 265,129.28 × 81,924.76
  4. Step 4: Simplify right side
    176,733x = 21,720,652,632.97
  5. Step 5: Solve for x
    x = 21,720,652,632.97/176,733
  6. Step 6: Final answer
    x = 122,900.94

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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.