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Finding the Fourth Proportional to 104,290.98, 156,342.87 and 37,715.46

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Solution

The fourth proportional to 104,290.98, 156,342.87 and 37,715.46 is: 56,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.98 : 156,342.87 = 37,715.46 : x
  2. Step 2: Convert to fraction form
    104,290.98/156,342.87 = 37,715.46/x
  3. Step 3: Cross multiply
    104,290.98x = 156,342.87 × 37,715.46
  4. Step 4: Simplify right side
    104,290.98x = 5,896,543,259.77
  5. Step 5: Solve for x
    x = 5,896,543,259.77/104,290.98
  6. Step 6: Final answer
    x = 56,539.34

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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.