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Finding the Fourth Proportional to 162,717.75, 244,080.95 and 51,909.75

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Solution

The fourth proportional to 162,717.75, 244,080.95 and 51,909.75 is: 77,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,717.75 : 244,080.95 = 51,909.75 : x
  2. Step 2: Convert to fraction form
    162,717.75/244,080.95 = 51,909.75/x
  3. Step 3: Cross multiply
    162,717.75x = 244,080.95 × 51,909.75
  4. Step 4: Simplify right side
    162,717.75x = 12,670,180,834.71
  5. Step 5: Solve for x
    x = 12,670,180,834.71/162,717.75
  6. Step 6: Final answer
    x = 77,866.00

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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.