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Finding the Fourth Proportional to 246,792.40, 370,079.16 and 113,640.40

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Solution

The fourth proportional to 246,792.40, 370,079.16 and 113,640.40 is: 170,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,792.40 : 370,079.16 = 113,640.40 : x
  2. Step 2: Convert to fraction form
    246,792.40/370,079.16 = 113,640.40/x
  3. Step 3: Cross multiply
    246,792.40x = 370,079.16 × 113,640.40
  4. Step 4: Simplify right side
    246,792.40x = 42,055,943,774.06
  5. Step 5: Solve for x
    x = 42,055,943,774.06/246,792.40
  6. Step 6: Final answer
    x = 170,410.21

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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.