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Finding the Fourth Proportional to 130,254.52, 195,354.44 and 36,738.40

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Solution

The fourth proportional to 130,254.52, 195,354.44 and 36,738.40 is: 55,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,254.52 : 195,354.44 = 36,738.40 : x
  2. Step 2: Convert to fraction form
    130,254.52/195,354.44 = 36,738.40/x
  3. Step 3: Cross multiply
    130,254.52x = 195,354.44 × 36,738.40
  4. Step 4: Simplify right side
    130,254.52x = 7,177,009,558.50
  5. Step 5: Solve for x
    x = 7,177,009,558.50/130,254.52
  6. Step 6: Final answer
    x = 55,099.89

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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.