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Finding the Fourth Proportional to 342,845.88, 473,103.63 and 189,873.06

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Solution

The fourth proportional to 342,845.88, 473,103.63 and 189,873.06 is: 262,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,845.88 : 473,103.63 = 189,873.06 : x
  2. Step 2: Convert to fraction form
    342,845.88/473,103.63 = 189,873.06/x
  3. Step 3: Cross multiply
    342,845.88x = 473,103.63 × 189,873.06
  4. Step 4: Simplify right side
    342,845.88x = 89,829,633,925.21
  5. Step 5: Solve for x
    x = 89,829,633,925.21/342,845.88
  6. Step 6: Final answer
    x = 262,011.71

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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.