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Finding the Fourth Proportional to 141,896.92, 212,878.80 and 42,057.96

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Solution

The fourth proportional to 141,896.92, 212,878.80 and 42,057.96 is: 63,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,896.92 : 212,878.80 = 42,057.96 : x
  2. Step 2: Convert to fraction form
    141,896.92/212,878.80 = 42,057.96/x
  3. Step 3: Cross multiply
    141,896.92x = 212,878.80 × 42,057.96
  4. Step 4: Simplify right side
    141,896.92x = 8,953,248,055.25
  5. Step 5: Solve for x
    x = 8,953,248,055.25/141,896.92
  6. Step 6: Final answer
    x = 63,096.85

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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.