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Finding the Fourth Proportional to 342,061.04, 472,041 and 189,103.16

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Solution

The fourth proportional to 342,061.04, 472,041 and 189,103.16 is: 260,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,061.04 : 472,041 = 189,103.16 : x
  2. Step 2: Convert to fraction form
    342,061.04/472,041 = 189,103.16/x
  3. Step 3: Cross multiply
    342,061.04x = 472,041 × 189,103.16
  4. Step 4: Simplify right side
    342,061.04x = 89,264,442,389.36
  5. Step 5: Solve for x
    x = 89,264,442,389.36/342,061.04
  6. Step 6: Final answer
    x = 260,960.57

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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.