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Finding the Fourth Proportional to 114,883.52, 172,219.08 and 61,612.52

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Solution

The fourth proportional to 114,883.52, 172,219.08 and 61,612.52 is: 92,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,883.52 : 172,219.08 = 61,612.52 : x
  2. Step 2: Convert to fraction form
    114,883.52/172,219.08 = 61,612.52/x
  3. Step 3: Cross multiply
    114,883.52x = 172,219.08 × 61,612.52
  4. Step 4: Simplify right side
    114,883.52x = 10,610,851,510.88
  5. Step 5: Solve for x
    x = 10,610,851,510.88/114,883.52
  6. Step 6: Final answer
    x = 92,361.82

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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.