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Finding the Fourth Proportional to 63,153.93, 87,153.14 and 34,859.61

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Solution

The fourth proportional to 63,153.93, 87,153.14 and 34,859.61 is: 48,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.93 : 87,153.14 = 34,859.61 : x
  2. Step 2: Convert to fraction form
    63,153.93/87,153.14 = 34,859.61/x
  3. Step 3: Cross multiply
    63,153.93x = 87,153.14 × 34,859.61
  4. Step 4: Simplify right side
    63,153.93x = 3,038,124,296.38
  5. Step 5: Solve for x
    x = 3,038,124,296.38/63,153.93
  6. Step 6: Final answer
    x = 48,106.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.