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Finding the Fourth Proportional to 140,574.96, 210,862.26 and 35,393.94

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Solution

The fourth proportional to 140,574.96, 210,862.26 and 35,393.94 is: 53,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,574.96 : 210,862.26 = 35,393.94 : x
  2. Step 2: Convert to fraction form
    140,574.96/210,862.26 = 35,393.94/x
  3. Step 3: Cross multiply
    140,574.96x = 210,862.26 × 35,393.94
  4. Step 4: Simplify right side
    140,574.96x = 7,463,246,178.70
  5. Step 5: Solve for x
    x = 7,463,246,178.70/140,574.96
  6. Step 6: Final answer
    x = 53,090.86

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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.