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Finding the Fourth Proportional to 164,987.20, 227,682.80 and 101,324.32

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Solution

The fourth proportional to 164,987.20, 227,682.80 and 101,324.32 is: 139,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,987.20 : 227,682.80 = 101,324.32 : x
  2. Step 2: Convert to fraction form
    164,987.20/227,682.80 = 101,324.32/x
  3. Step 3: Cross multiply
    164,987.20x = 227,682.80 × 101,324.32
  4. Step 4: Simplify right side
    164,987.20x = 23,069,804,885.70
  5. Step 5: Solve for x
    x = 23,069,804,885.70/164,987.20
  6. Step 6: Final answer
    x = 139,827.85

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1.5x scale

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.