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Finding the Fourth Proportional to 229,313.31, 316,441.71 and 127,345.24

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Solution

The fourth proportional to 229,313.31, 316,441.71 and 127,345.24 is: 175,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,313.31 : 316,441.71 = 127,345.24 : x
  2. Step 2: Convert to fraction form
    229,313.31/316,441.71 = 127,345.24/x
  3. Step 3: Cross multiply
    229,313.31x = 316,441.71 × 127,345.24
  4. Step 4: Simplify right side
    229,313.31x = 40,297,345,505.96
  5. Step 5: Solve for x
    x = 40,297,345,505.96/229,313.31
  6. Step 6: Final answer
    x = 175,730.51

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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.