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Finding the Fourth Proportional to 147,888.79, 204,086.54 and 84,232.51

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Solution

The fourth proportional to 147,888.79, 204,086.54 and 84,232.51 is: 116,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,888.79 : 204,086.54 = 84,232.51 : x
  2. Step 2: Convert to fraction form
    147,888.79/204,086.54 = 84,232.51/x
  3. Step 3: Cross multiply
    147,888.79x = 204,086.54 × 84,232.51
  4. Step 4: Simplify right side
    147,888.79x = 17,190,721,521.42
  5. Step 5: Solve for x
    x = 17,190,721,521.42/147,888.79
  6. Step 6: Final answer
    x = 116,240.87

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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.