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Finding the Fourth Proportional to 96,702.63, 144,859.62 and 49,315.80

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Solution

The fourth proportional to 96,702.63, 144,859.62 and 49,315.80 is: 73,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,702.63 : 144,859.62 = 49,315.80 : x
  2. Step 2: Convert to fraction form
    96,702.63/144,859.62 = 49,315.80/x
  3. Step 3: Cross multiply
    96,702.63x = 144,859.62 × 49,315.80
  4. Step 4: Simplify right side
    96,702.63x = 7,143,868,048.00
  5. Step 5: Solve for x
    x = 7,143,868,048.00/96,702.63
  6. Step 6: Final answer
    x = 73,874.60

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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.