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Finding the Fourth Proportional to 104,388.96, 156,444.80 and 56,882.08

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Solution

The fourth proportional to 104,388.96, 156,444.80 and 56,882.08 is: 85,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,388.96 : 156,444.80 = 56,882.08 : x
  2. Step 2: Convert to fraction form
    104,388.96/156,444.80 = 56,882.08/x
  3. Step 3: Cross multiply
    104,388.96x = 156,444.80 × 56,882.08
  4. Step 4: Simplify right side
    104,388.96x = 8,898,905,629.18
  5. Step 5: Solve for x
    x = 8,898,905,629.18/104,388.96
  6. Step 6: Final answer
    x = 85,247.57

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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.