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Finding the Fourth Proportional to 104,294.92, 143,926.30 and 56,548.12

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Solution

The fourth proportional to 104,294.92, 143,926.30 and 56,548.12 is: 78,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,294.92 : 143,926.30 = 56,548.12 : x
  2. Step 2: Convert to fraction form
    104,294.92/143,926.30 = 56,548.12/x
  3. Step 3: Cross multiply
    104,294.92x = 143,926.30 × 56,548.12
  4. Step 4: Simplify right side
    104,294.92x = 8,138,761,683.56
  5. Step 5: Solve for x
    x = 8,138,761,683.56/104,294.92
  6. Step 6: Final answer
    x = 78,036.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.