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Finding the Fourth Proportional to 117,174.44, 175,687.13 and 99,411.23

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Solution

The fourth proportional to 117,174.44, 175,687.13 and 99,411.23 is: 149,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.44 : 175,687.13 = 99,411.23 : x
  2. Step 2: Convert to fraction form
    117,174.44/175,687.13 = 99,411.23/x
  3. Step 3: Cross multiply
    117,174.44x = 175,687.13 × 99,411.23
  4. Step 4: Simplify right side
    117,174.44x = 17,465,272,312.98
  5. Step 5: Solve for x
    x = 17,465,272,312.98/117,174.44
  6. Step 6: Final answer
    x = 149,053.61

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1.5x scale

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.