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Finding the Fourth Proportional to 342,050.76, 472,033.04 and 189,086.52

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Solution

The fourth proportional to 342,050.76, 472,033.04 and 189,086.52 is: 260,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,050.76 : 472,033.04 = 189,086.52 : x
  2. Step 2: Convert to fraction form
    342,050.76/472,033.04 = 189,086.52/x
  3. Step 3: Cross multiply
    342,050.76x = 472,033.04 × 189,086.52
  4. Step 4: Simplify right side
    342,050.76x = 89,255,084,858.62
  5. Step 5: Solve for x
    x = 89,255,084,858.62/342,050.76
  6. Step 6: Final answer
    x = 260,941.05

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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.