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Finding the Fourth Proportional to 176,954.92, 265,357.86 and 71,700.28

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Solution

The fourth proportional to 176,954.92, 265,357.86 and 71,700.28 is: 107,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,954.92 : 265,357.86 = 71,700.28 : x
  2. Step 2: Convert to fraction form
    176,954.92/265,357.86 = 71,700.28/x
  3. Step 3: Cross multiply
    176,954.92x = 265,357.86 × 71,700.28
  4. Step 4: Simplify right side
    176,954.92x = 19,026,232,862.20
  5. Step 5: Solve for x
    x = 19,026,232,862.20/176,954.92
  6. Step 6: Final answer
    x = 107,520.23

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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.