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Finding the Fourth Proportional to 132,553, 182,924.58 and 72,937

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Solution

The fourth proportional to 132,553, 182,924.58 and 72,937 is: 100,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,553 : 182,924.58 = 72,937 : x
  2. Step 2: Convert to fraction form
    132,553/182,924.58 = 72,937/x
  3. Step 3: Cross multiply
    132,553x = 182,924.58 × 72,937
  4. Step 4: Simplify right side
    132,553x = 13,341,970,091.46
  5. Step 5: Solve for x
    x = 13,341,970,091.46/132,553
  6. Step 6: Final answer
    x = 100,653.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.