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Finding the Fourth Proportional to 162,869.76, 244,149.12 and 51,989.76

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Solution

The fourth proportional to 162,869.76, 244,149.12 and 51,989.76 is: 77,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,869.76 : 244,149.12 = 51,989.76 : x
  2. Step 2: Convert to fraction form
    162,869.76/244,149.12 = 51,989.76/x
  3. Step 3: Cross multiply
    162,869.76x = 244,149.12 × 51,989.76
  4. Step 4: Simplify right side
    162,869.76x = 12,693,254,153.01
  5. Step 5: Solve for x
    x = 12,693,254,153.01/162,869.76
  6. Step 6: Final answer
    x = 77,935.00

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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.