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Finding the Fourth Proportional to 60,269.40, 90,400.86 and 29,009.88

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Solution

The fourth proportional to 60,269.40, 90,400.86 and 29,009.88 is: 43,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,269.40 : 90,400.86 = 29,009.88 : x
  2. Step 2: Convert to fraction form
    60,269.40/90,400.86 = 29,009.88/x
  3. Step 3: Cross multiply
    60,269.40x = 90,400.86 × 29,009.88
  4. Step 4: Simplify right side
    60,269.40x = 2,622,518,100.50
  5. Step 5: Solve for x
    x = 2,622,518,100.50/60,269.40
  6. Step 6: Final answer
    x = 43,513.26

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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.