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Finding the Fourth Proportional to 164,805.15, 247,217.37 and 63,603.74

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Solution

The fourth proportional to 164,805.15, 247,217.37 and 63,603.74 is: 95,409.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,805.15 : 247,217.37 = 63,603.74 : x
  2. Step 2: Convert to fraction form
    164,805.15/247,217.37 = 63,603.74/x
  3. Step 3: Cross multiply
    164,805.15x = 247,217.37 × 63,603.74
  4. Step 4: Simplify right side
    164,805.15x = 15,723,948,088.88
  5. Step 5: Solve for x
    x = 15,723,948,088.88/164,805.15
  6. Step 6: Final answer
    x = 95,409.32

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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.