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Finding the Fourth Proportional to 226,576.61, 312,683.75 and 124,609.96

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Solution

The fourth proportional to 226,576.61, 312,683.75 and 124,609.96 is: 171,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,576.61 : 312,683.75 = 124,609.96 : x
  2. Step 2: Convert to fraction form
    226,576.61/312,683.75 = 124,609.96/x
  3. Step 3: Cross multiply
    226,576.61x = 312,683.75 × 124,609.96
  4. Step 4: Simplify right side
    226,576.61x = 38,963,509,580.15
  5. Step 5: Solve for x
    x = 38,963,509,580.15/226,576.61
  6. Step 6: Final answer
    x = 171,966.16

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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.