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Finding the Fourth Proportional to 245,792.43, 368,686.22 and 112,634.91

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Solution

The fourth proportional to 245,792.43, 368,686.22 and 112,634.91 is: 168,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,792.43 : 368,686.22 = 112,634.91 : x
  2. Step 2: Convert to fraction form
    245,792.43/368,686.22 = 112,634.91/x
  3. Step 3: Cross multiply
    245,792.43x = 368,686.22 × 112,634.91
  4. Step 4: Simplify right side
    245,792.43x = 41,526,938,644.77
  5. Step 5: Solve for x
    x = 41,526,938,644.77/245,792.43
  6. Step 6: Final answer
    x = 168,951.25

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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.