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Finding the Fourth Proportional to 229,334.70, 344,002.05 and 89,002.20

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Solution

The fourth proportional to 229,334.70, 344,002.05 and 89,002.20 is: 133,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,334.70 : 344,002.05 = 89,002.20 : x
  2. Step 2: Convert to fraction form
    229,334.70/344,002.05 = 89,002.20/x
  3. Step 3: Cross multiply
    229,334.70x = 344,002.05 × 89,002.20
  4. Step 4: Simplify right side
    229,334.70x = 30,616,939,254.51
  5. Step 5: Solve for x
    x = 30,616,939,254.51/229,334.70
  6. Step 6: Final answer
    x = 133,503.30

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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.