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Finding the Fourth Proportional to 224,905.20, 310,318.02 and 134,290.50

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Solution

The fourth proportional to 224,905.20, 310,318.02 and 134,290.50 is: 185,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,905.20 : 310,318.02 = 134,290.50 : x
  2. Step 2: Convert to fraction form
    224,905.20/310,318.02 = 134,290.50/x
  3. Step 3: Cross multiply
    224,905.20x = 310,318.02 × 134,290.50
  4. Step 4: Simplify right side
    224,905.20x = 41,672,762,064.81
  5. Step 5: Solve for x
    x = 41,672,762,064.81/224,905.20
  6. Step 6: Final answer
    x = 185,290.34

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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.