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Finding the Fourth Proportional to 341,898.96, 512,870.32 and 131,536.92

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Solution

The fourth proportional to 341,898.96, 512,870.32 and 131,536.92 is: 197,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,898.96 : 512,870.32 = 131,536.92 : x
  2. Step 2: Convert to fraction form
    341,898.96/512,870.32 = 131,536.92/x
  3. Step 3: Cross multiply
    341,898.96x = 512,870.32 × 131,536.92
  4. Step 4: Simplify right side
    341,898.96x = 67,461,382,252.21
  5. Step 5: Solve for x
    x = 67,461,382,252.21/341,898.96
  6. Step 6: Final answer
    x = 197,313.80

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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.