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Finding the Fourth Proportional to 223,806.60, 308,918.32 and 146,293.52

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Solution

The fourth proportional to 223,806.60, 308,918.32 and 146,293.52 is: 201,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,806.60 : 308,918.32 = 146,293.52 : x
  2. Step 2: Convert to fraction form
    223,806.60/308,918.32 = 146,293.52/x
  3. Step 3: Cross multiply
    223,806.60x = 308,918.32 × 146,293.52
  4. Step 4: Simplify right side
    223,806.60x = 45,192,748,425.29
  5. Step 5: Solve for x
    x = 45,192,748,425.29/223,806.60
  6. Step 6: Final answer
    x = 201,927.68

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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.