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Finding the Fourth Proportional to 341,898.76, 512,870.03 and 131,536.70

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Solution

The fourth proportional to 341,898.76, 512,870.03 and 131,536.70 is: 197,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,898.76 : 512,870.03 = 131,536.70 : x
  2. Step 2: Convert to fraction form
    341,898.76/512,870.03 = 131,536.70/x
  3. Step 3: Cross multiply
    341,898.76x = 512,870.03 × 131,536.70
  4. Step 4: Simplify right side
    341,898.76x = 67,461,231,275.10
  5. Step 5: Solve for x
    x = 67,461,231,275.10/341,898.76
  6. Step 6: Final answer
    x = 197,313.47

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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.