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Finding the Fourth Proportional to 229,576.10, 316,799.64 and 127,594.94

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Solution

The fourth proportional to 229,576.10, 316,799.64 and 127,594.94 is: 176,072.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,576.10 : 316,799.64 = 127,594.94 : x
  2. Step 2: Convert to fraction form
    229,576.10/316,799.64 = 127,594.94/x
  3. Step 3: Cross multiply
    229,576.10x = 316,799.64 × 127,594.94
  4. Step 4: Simplify right side
    229,576.10x = 40,422,029,473.82
  5. Step 5: Solve for x
    x = 40,422,029,473.82/229,576.10
  6. Step 6: Final answer
    x = 176,072.47

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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.