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Finding the Fourth Proportional to 232,485.80, 348,728.70 and 164,579.45

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Solution

The fourth proportional to 232,485.80, 348,728.70 and 164,579.45 is: 246,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,485.80 : 348,728.70 = 164,579.45 : x
  2. Step 2: Convert to fraction form
    232,485.80/348,728.70 = 164,579.45/x
  3. Step 3: Cross multiply
    232,485.80x = 348,728.70 × 164,579.45
  4. Step 4: Simplify right side
    232,485.80x = 57,393,577,645.22
  5. Step 5: Solve for x
    x = 57,393,577,645.22/232,485.80
  6. Step 6: Final answer
    x = 246,869.18

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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.