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Finding the Fourth Proportional to 160,572, 240,858 and 43,836

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Solution

The fourth proportional to 160,572, 240,858 and 43,836 is: 65,754

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,572 : 240,858 = 43,836 : x
  2. Step 2: Convert to fraction form
    160,572/240,858 = 43,836/x
  3. Step 3: Cross multiply
    160,572x = 240,858 × 43,836
  4. Step 4: Simplify right side
    160,572x = 10,558,251,288
  5. Step 5: Solve for x
    x = 10,558,251,288/160,572
  6. Step 6: Final answer
    x = 65,754

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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.