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Finding the Fourth Proportional to 168,903.34, 253,391.12 and 62,287.58

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Solution

The fourth proportional to 168,903.34, 253,391.12 and 62,287.58 is: 93,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,903.34 : 253,391.12 = 62,287.58 : x
  2. Step 2: Convert to fraction form
    168,903.34/253,391.12 = 62,287.58/x
  3. Step 3: Cross multiply
    168,903.34x = 253,391.12 × 62,287.58
  4. Step 4: Simplify right side
    168,903.34x = 15,783,119,658.29
  5. Step 5: Solve for x
    x = 15,783,119,658.29/168,903.34
  6. Step 6: Final answer
    x = 93,444.69

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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.