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Finding the Fourth Proportional to 153,763.37, 230,661.47 and 65,025.85

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Solution

The fourth proportional to 153,763.37, 230,661.47 and 65,025.85 is: 97,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,763.37 : 230,661.47 = 65,025.85 : x
  2. Step 2: Convert to fraction form
    153,763.37/230,661.47 = 65,025.85/x
  3. Step 3: Cross multiply
    153,763.37x = 230,661.47 × 65,025.85
  4. Step 4: Simplify right side
    153,763.37x = 14,998,958,149.00
  5. Step 5: Solve for x
    x = 14,998,958,149.00/153,763.37
  6. Step 6: Final answer
    x = 97,545.72

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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.