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Finding the Fourth Proportional to 168,358.65, 252,347.22 and 56,012.46

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Solution

The fourth proportional to 168,358.65, 252,347.22 and 56,012.46 is: 83,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,358.65 : 252,347.22 = 56,012.46 : x
  2. Step 2: Convert to fraction form
    168,358.65/252,347.22 = 56,012.46/x
  3. Step 3: Cross multiply
    168,358.65x = 252,347.22 × 56,012.46
  4. Step 4: Simplify right side
    168,358.65x = 14,134,588,566.36
  5. Step 5: Solve for x
    x = 14,134,588,566.36/168,358.65
  6. Step 6: Final answer
    x = 83,955.23

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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.