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Finding the Fourth Proportional to 223,550.80, 308,343.95 and 151,806.26

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Solution

The fourth proportional to 223,550.80, 308,343.95 and 151,806.26 is: 209,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,550.80 : 308,343.95 = 151,806.26 : x
  2. Step 2: Convert to fraction form
    223,550.80/308,343.95 = 151,806.26/x
  3. Step 3: Cross multiply
    223,550.80x = 308,343.95 × 151,806.26
  4. Step 4: Simplify right side
    223,550.80x = 46,808,542,424.23
  5. Step 5: Solve for x
    x = 46,808,542,424.23/223,550.80
  6. Step 6: Final answer
    x = 209,386.60

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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.