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Finding the Fourth Proportional to 168,658.71, 252,905.45 and 56,300.37

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Solution

The fourth proportional to 168,658.71, 252,905.45 and 56,300.37 is: 84,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,658.71 : 252,905.45 = 56,300.37 : x
  2. Step 2: Convert to fraction form
    168,658.71/252,905.45 = 56,300.37/x
  3. Step 3: Cross multiply
    168,658.71x = 252,905.45 × 56,300.37
  4. Step 4: Simplify right side
    168,658.71x = 14,238,670,128.51
  5. Step 5: Solve for x
    x = 14,238,670,128.51/168,658.71
  6. Step 6: Final answer
    x = 84,422.98

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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.