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Finding the Fourth Proportional to 164,345.70, 246,658.43 and 64,575.66

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Solution

The fourth proportional to 164,345.70, 246,658.43 and 64,575.66 is: 96,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,345.70 : 246,658.43 = 64,575.66 : x
  2. Step 2: Convert to fraction form
    164,345.70/246,658.43 = 64,575.66/x
  3. Step 3: Cross multiply
    164,345.70x = 246,658.43 × 64,575.66
  4. Step 4: Simplify right side
    164,345.70x = 15,928,129,355.64
  5. Step 5: Solve for x
    x = 15,928,129,355.64/164,345.70
  6. Step 6: Final answer
    x = 96,918.45

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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.