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Finding the Fourth Proportional to 159,384.63, 239,108.51 and 45,533.43

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Solution

The fourth proportional to 159,384.63, 239,108.51 and 45,533.43 is: 68,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,384.63 : 239,108.51 = 45,533.43 : x
  2. Step 2: Convert to fraction form
    159,384.63/239,108.51 = 45,533.43/x
  3. Step 3: Cross multiply
    159,384.63x = 239,108.51 × 45,533.43
  4. Step 4: Simplify right side
    159,384.63x = 10,887,430,374.82
  5. Step 5: Solve for x
    x = 10,887,430,374.82/159,384.63
  6. Step 6: Final answer
    x = 68,309.16

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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.