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Finding the Fourth Proportional to 73,602, 101,583.99 and 43,385.49

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Solution

The fourth proportional to 73,602, 101,583.99 and 43,385.49 is: 59,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,602 : 101,583.99 = 43,385.49 : x
  2. Step 2: Convert to fraction form
    73,602/101,583.99 = 43,385.49/x
  3. Step 3: Cross multiply
    73,602x = 101,583.99 × 43,385.49
  4. Step 4: Simplify right side
    73,602x = 4,407,271,182.31
  5. Step 5: Solve for x
    x = 4,407,271,182.31/73,602
  6. Step 6: Final answer
    x = 59,879.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.