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Finding the Fourth Proportional to 168,919.63, 233,193.53 and 97,285.86

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Solution

The fourth proportional to 168,919.63, 233,193.53 and 97,285.86 is: 134,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,919.63 : 233,193.53 = 97,285.86 : x
  2. Step 2: Convert to fraction form
    168,919.63/233,193.53 = 97,285.86/x
  3. Step 3: Cross multiply
    168,919.63x = 233,193.53 × 97,285.86
  4. Step 4: Simplify right side
    168,919.63x = 22,686,433,355.70
  5. Step 5: Solve for x
    x = 22,686,433,355.70/168,919.63
  6. Step 6: Final answer
    x = 134,303.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.