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Finding the Fourth Proportional to 96,574.74, 133,266.43 and 53,556.45

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Solution

The fourth proportional to 96,574.74, 133,266.43 and 53,556.45 is: 73,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,574.74 : 133,266.43 = 53,556.45 : x
  2. Step 2: Convert to fraction form
    96,574.74/133,266.43 = 53,556.45/x
  3. Step 3: Cross multiply
    96,574.74x = 133,266.43 × 53,556.45
  4. Step 4: Simplify right side
    96,574.74x = 7,137,276,894.97
  5. Step 5: Solve for x
    x = 7,137,276,894.97/96,574.74
  6. Step 6: Final answer
    x = 73,904.18

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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.