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Finding the Fourth Proportional to 231,101.56, 346,671.96 and 64,889.56

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Solution

The fourth proportional to 231,101.56, 346,671.96 and 64,889.56 is: 97,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,101.56 : 346,671.96 = 64,889.56 : x
  2. Step 2: Convert to fraction form
    231,101.56/346,671.96 = 64,889.56/x
  3. Step 3: Cross multiply
    231,101.56x = 346,671.96 × 64,889.56
  4. Step 4: Simplify right side
    231,101.56x = 22,495,390,948.74
  5. Step 5: Solve for x
    x = 22,495,390,948.74/231,101.56
  6. Step 6: Final answer
    x = 97,339.85

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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.