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Finding the Fourth Proportional to 131,953, 182,095.14 and 72,337

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Solution

The fourth proportional to 131,953, 182,095.14 and 72,337 is: 99,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,953 : 182,095.14 = 72,337 : x
  2. Step 2: Convert to fraction form
    131,953/182,095.14 = 72,337/x
  3. Step 3: Cross multiply
    131,953x = 182,095.14 × 72,337
  4. Step 4: Simplify right side
    131,953x = 13,172,216,142.18
  5. Step 5: Solve for x
    x = 13,172,216,142.18/131,953
  6. Step 6: Final answer
    x = 99,825.06

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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.