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Finding the Fourth Proportional to 104,291.96, 156,429.76 and 29,409.08

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Solution

The fourth proportional to 104,291.96, 156,429.76 and 29,409.08 is: 44,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,291.96 : 156,429.76 = 29,409.08 : x
  2. Step 2: Convert to fraction form
    104,291.96/156,429.76 = 29,409.08/x
  3. Step 3: Cross multiply
    104,291.96x = 156,429.76 × 29,409.08
  4. Step 4: Simplify right side
    104,291.96x = 4,600,455,326.22
  5. Step 5: Solve for x
    x = 4,600,455,326.22/104,291.96
  6. Step 6: Final answer
    x = 44,111.31

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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.