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Finding the Fourth Proportional to 227,636.56, 314,155.83 and 125,681.64

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Solution

The fourth proportional to 227,636.56, 314,155.83 and 125,681.64 is: 173,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,636.56 : 314,155.83 = 125,681.64 : x
  2. Step 2: Convert to fraction form
    227,636.56/314,155.83 = 125,681.64/x
  3. Step 3: Cross multiply
    227,636.56x = 314,155.83 × 125,681.64
  4. Step 4: Simplify right side
    227,636.56x = 39,483,619,929.96
  5. Step 5: Solve for x
    x = 39,483,619,929.96/227,636.56
  6. Step 6: Final answer
    x = 173,450.26

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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.