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Finding the Fourth Proportional to 213,602.00, 320,424.93 and 80,594.19

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Solution

The fourth proportional to 213,602.00, 320,424.93 and 80,594.19 is: 120,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,602.00 : 320,424.93 = 80,594.19 : x
  2. Step 2: Convert to fraction form
    213,602.00/320,424.93 = 80,594.19/x
  3. Step 3: Cross multiply
    213,602.00x = 320,424.93 × 80,594.19
  4. Step 4: Simplify right side
    213,602.00x = 25,824,387,689.16
  5. Step 5: Solve for x
    x = 25,824,387,689.16/213,602.00
  6. Step 6: Final answer
    x = 120,899.56

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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.