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Finding the Fourth Proportional to 96,879.61, 145,334 and 34,545.25

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Solution

The fourth proportional to 96,879.61, 145,334 and 34,545.25 is: 51,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,879.61 : 145,334 = 34,545.25 : x
  2. Step 2: Convert to fraction form
    96,879.61/145,334 = 34,545.25/x
  3. Step 3: Cross multiply
    96,879.61x = 145,334 × 34,545.25
  4. Step 4: Simplify right side
    96,879.61x = 5,020,599,363.50
  5. Step 5: Solve for x
    x = 5,020,599,363.50/96,879.61
  6. Step 6: Final answer
    x = 51,823.08

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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.