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Finding the Fourth Proportional to 164,553.40, 246,830.10 and 64,680.40

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Solution

The fourth proportional to 164,553.40, 246,830.10 and 64,680.40 is: 97,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,553.40 : 246,830.10 = 64,680.40 : x
  2. Step 2: Convert to fraction form
    164,553.40/246,830.10 = 64,680.40/x
  3. Step 3: Cross multiply
    164,553.40x = 246,830.10 × 64,680.40
  4. Step 4: Simplify right side
    164,553.40x = 15,965,069,600.04
  5. Step 5: Solve for x
    x = 15,965,069,600.04/164,553.40
  6. Step 6: Final answer
    x = 97,020.60

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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.