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Finding the Fourth Proportional to 223,888.06, 308,865.56 and 151,267.51

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Solution

The fourth proportional to 223,888.06, 308,865.56 and 151,267.51 is: 208,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,888.06 : 308,865.56 = 151,267.51 : x
  2. Step 2: Convert to fraction form
    223,888.06/308,865.56 = 151,267.51/x
  3. Step 3: Cross multiply
    223,888.06x = 308,865.56 × 151,267.51
  4. Step 4: Simplify right side
    223,888.06x = 46,721,322,641.63
  5. Step 5: Solve for x
    x = 46,721,322,641.63/223,888.06
  6. Step 6: Final answer
    x = 208,681.62

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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.