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Finding the Fourth Proportional to 164,676.60, 247,014.90 and 153,617.40

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Solution

The fourth proportional to 164,676.60, 247,014.90 and 153,617.40 is: 230,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,676.60 : 247,014.90 = 153,617.40 : x
  2. Step 2: Convert to fraction form
    164,676.60/247,014.90 = 153,617.40/x
  3. Step 3: Cross multiply
    164,676.60x = 247,014.90 × 153,617.40
  4. Step 4: Simplify right side
    164,676.60x = 37,945,786,699.26
  5. Step 5: Solve for x
    x = 37,945,786,699.26/164,676.60
  6. Step 6: Final answer
    x = 230,426.10

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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.