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Finding the Fourth Proportional to 229,183.74, 316,268.64 and 127,203.24

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Solution

The fourth proportional to 229,183.74, 316,268.64 and 127,203.24 is: 175,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,183.74 : 316,268.64 = 127,203.24 : x
  2. Step 2: Convert to fraction form
    229,183.74/316,268.64 = 127,203.24/x
  3. Step 3: Cross multiply
    229,183.74x = 316,268.64 × 127,203.24
  4. Step 4: Simplify right side
    229,183.74x = 40,230,395,718.39
  5. Step 5: Solve for x
    x = 40,230,395,718.39/229,183.74
  6. Step 6: Final answer
    x = 175,537.74

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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.