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Finding the Fourth Proportional to 104,549.55, 156,830.34 and 29,663.84

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Solution

The fourth proportional to 104,549.55, 156,830.34 and 29,663.84 is: 44,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,549.55 : 156,830.34 = 29,663.84 : x
  2. Step 2: Convert to fraction form
    104,549.55/156,830.34 = 29,663.84/x
  3. Step 3: Cross multiply
    104,549.55x = 156,830.34 × 29,663.84
  4. Step 4: Simplify right side
    104,549.55x = 4,652,189,328.75
  5. Step 5: Solve for x
    x = 4,652,189,328.75/104,549.55
  6. Step 6: Final answer
    x = 44,497.46

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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.