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Finding the Fourth Proportional to 223,895.68, 308,876.09 and 151,275.13

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Solution

The fourth proportional to 223,895.68, 308,876.09 and 151,275.13 is: 208,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,895.68 : 308,876.09 = 151,275.13 : x
  2. Step 2: Convert to fraction form
    223,895.68/308,876.09 = 151,275.13/x
  3. Step 3: Cross multiply
    223,895.68x = 308,876.09 × 151,275.13
  4. Step 4: Simplify right side
    223,895.68x = 46,725,269,140.08
  5. Step 5: Solve for x
    x = 46,725,269,140.08/223,895.68
  6. Step 6: Final answer
    x = 208,692.14

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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.