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Finding the Fourth Proportional to 96,792.79, 133,569.72 and 53,775.05

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Solution

The fourth proportional to 96,792.79, 133,569.72 and 53,775.05 is: 74,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,792.79 : 133,569.72 = 53,775.05 : x
  2. Step 2: Convert to fraction form
    96,792.79/133,569.72 = 53,775.05/x
  3. Step 3: Cross multiply
    96,792.79x = 133,569.72 × 53,775.05
  4. Step 4: Simplify right side
    96,792.79x = 7,182,718,371.49
  5. Step 5: Solve for x
    x = 7,182,718,371.49/96,792.79
  6. Step 6: Final answer
    x = 74,207.17

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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.