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Finding the Fourth Proportional to 369,954.54, 554,932.08 and 89,472.06

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Solution

The fourth proportional to 369,954.54, 554,932.08 and 89,472.06 is: 134,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,954.54 : 554,932.08 = 89,472.06 : x
  2. Step 2: Convert to fraction form
    369,954.54/554,932.08 = 89,472.06/x
  3. Step 3: Cross multiply
    369,954.54x = 554,932.08 × 89,472.06
  4. Step 4: Simplify right side
    369,954.54x = 49,650,916,357.68
  5. Step 5: Solve for x
    x = 49,650,916,357.68/369,954.54
  6. Step 6: Final answer
    x = 134,208.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.