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Finding the Fourth Proportional to 132,994.88, 183,541.20 and 75,637.52

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Solution

The fourth proportional to 132,994.88, 183,541.20 and 75,637.52 is: 104,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,994.88 : 183,541.20 = 75,637.52 : x
  2. Step 2: Convert to fraction form
    132,994.88/183,541.20 = 75,637.52/x
  3. Step 3: Cross multiply
    132,994.88x = 183,541.20 × 75,637.52
  4. Step 4: Simplify right side
    132,994.88x = 13,882,601,185.82
  5. Step 5: Solve for x
    x = 13,882,601,185.82/132,994.88
  6. Step 6: Final answer
    x = 104,384.48

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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.