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Finding the Fourth Proportional to 168,749.40, 253,124.10 and 97,671.90

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Solution

The fourth proportional to 168,749.40, 253,124.10 and 97,671.90 is: 146,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,749.40 : 253,124.10 = 97,671.90 : x
  2. Step 2: Convert to fraction form
    168,749.40/253,124.10 = 97,671.90/x
  3. Step 3: Cross multiply
    168,749.40x = 253,124.10 × 97,671.90
  4. Step 4: Simplify right side
    168,749.40x = 24,723,111,782.79
  5. Step 5: Solve for x
    x = 24,723,111,782.79/168,749.40
  6. Step 6: Final answer
    x = 146,507.85

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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.