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Finding the Fourth Proportional to 176,712.71, 265,121.30 and 101,886.53

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Solution

The fourth proportional to 176,712.71, 265,121.30 and 101,886.53 is: 152,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,712.71 : 265,121.30 = 101,886.53 : x
  2. Step 2: Convert to fraction form
    176,712.71/265,121.30 = 101,886.53/x
  3. Step 3: Cross multiply
    176,712.71x = 265,121.30 × 101,886.53
  4. Step 4: Simplify right side
    176,712.71x = 27,012,288,215.20
  5. Step 5: Solve for x
    x = 27,012,288,215.20/176,712.71
  6. Step 6: Final answer
    x = 152,859.91

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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.