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Finding the Fourth Proportional to 231,124, 346,686.08 and 64,912

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Solution

The fourth proportional to 231,124, 346,686.08 and 64,912 is: 97,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,124 : 346,686.08 = 64,912 : x
  2. Step 2: Convert to fraction form
    231,124/346,686.08 = 64,912/x
  3. Step 3: Cross multiply
    231,124x = 346,686.08 × 64,912
  4. Step 4: Simplify right side
    231,124x = 22,504,086,824.96
  5. Step 5: Solve for x
    x = 22,504,086,824.96/231,124
  6. Step 6: Final answer
    x = 97,368.02

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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.