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Finding the Fourth Proportional to 96,375.84, 132,994.28 and 53,356.95

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Solution

The fourth proportional to 96,375.84, 132,994.28 and 53,356.95 is: 73,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,375.84 : 132,994.28 = 53,356.95 : x
  2. Step 2: Convert to fraction form
    96,375.84/132,994.28 = 53,356.95/x
  3. Step 3: Cross multiply
    96,375.84x = 132,994.28 × 53,356.95
  4. Step 4: Simplify right side
    96,375.84x = 7,096,168,881.46
  5. Step 5: Solve for x
    x = 7,096,168,881.46/96,375.84
  6. Step 6: Final answer
    x = 73,630.16

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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.