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Finding the Fourth Proportional to 114,986.70, 172,506.06 and 35,031.90

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Solution

The fourth proportional to 114,986.70, 172,506.06 and 35,031.90 is: 52,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,986.70 : 172,506.06 = 35,031.90 : x
  2. Step 2: Convert to fraction form
    114,986.70/172,506.06 = 35,031.90/x
  3. Step 3: Cross multiply
    114,986.70x = 172,506.06 × 35,031.90
  4. Step 4: Simplify right side
    114,986.70x = 6,043,215,043.31
  5. Step 5: Solve for x
    x = 6,043,215,043.31/114,986.70
  6. Step 6: Final answer
    x = 52,555.77

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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.