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Finding the Fourth Proportional to 62,163.90, 93,245.73 and 15,416.77

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Solution

The fourth proportional to 62,163.90, 93,245.73 and 15,416.77 is: 23,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,163.90 : 93,245.73 = 15,416.77 : x
  2. Step 2: Convert to fraction form
    62,163.90/93,245.73 = 15,416.77/x
  3. Step 3: Cross multiply
    62,163.90x = 93,245.73 × 15,416.77
  4. Step 4: Simplify right side
    62,163.90x = 1,437,547,972.89
  5. Step 5: Solve for x
    x = 1,437,547,972.89/62,163.90
  6. Step 6: Final answer
    x = 23,125.13

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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.