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Finding the Fourth Proportional to 157,604.70, 236,411.22 and 45,280.38

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Solution

The fourth proportional to 157,604.70, 236,411.22 and 45,280.38 is: 67,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,604.70 : 236,411.22 = 45,280.38 : x
  2. Step 2: Convert to fraction form
    157,604.70/236,411.22 = 45,280.38/x
  3. Step 3: Cross multiply
    157,604.70x = 236,411.22 × 45,280.38
  4. Step 4: Simplify right side
    157,604.70x = 10,704,789,877.86
  5. Step 5: Solve for x
    x = 10,704,789,877.86/157,604.70
  6. Step 6: Final answer
    x = 67,921.77

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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.