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Finding the Fourth Proportional to 164,562.40, 246,843.60 and 64,689.40

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Solution

The fourth proportional to 164,562.40, 246,843.60 and 64,689.40 is: 97,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,562.40 : 246,843.60 = 64,689.40 : x
  2. Step 2: Convert to fraction form
    164,562.40/246,843.60 = 64,689.40/x
  3. Step 3: Cross multiply
    164,562.40x = 246,843.60 × 64,689.40
  4. Step 4: Simplify right side
    164,562.40x = 15,968,164,377.84
  5. Step 5: Solve for x
    x = 15,968,164,377.84/164,562.40
  6. Step 6: Final answer
    x = 97,034.10

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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.