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Finding the Fourth Proportional to 226,955.62, 340,334.97 and 77,155.67

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Solution

The fourth proportional to 226,955.62, 340,334.97 and 77,155.67 is: 115,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,955.62 : 340,334.97 = 77,155.67 : x
  2. Step 2: Convert to fraction form
    226,955.62/340,334.97 = 77,155.67/x
  3. Step 3: Cross multiply
    226,955.62x = 340,334.97 × 77,155.67
  4. Step 4: Simplify right side
    226,955.62x = 26,258,773,196.28
  5. Step 5: Solve for x
    x = 26,258,773,196.28/226,955.62
  6. Step 6: Final answer
    x = 115,700.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.