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Finding the Fourth Proportional to 119,313.25, 178,970.96 and 36,207.25

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Solution

The fourth proportional to 119,313.25, 178,970.96 and 36,207.25 is: 54,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,313.25 : 178,970.96 = 36,207.25 : x
  2. Step 2: Convert to fraction form
    119,313.25/178,970.96 = 36,207.25/x
  3. Step 3: Cross multiply
    119,313.25x = 178,970.96 × 36,207.25
  4. Step 4: Simplify right side
    119,313.25x = 6,480,046,291.46
  5. Step 5: Solve for x
    x = 6,480,046,291.46/119,313.25
  6. Step 6: Final answer
    x = 54,311.20

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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.