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Finding the Fourth Proportional to 295,631.84, 443,491.50 and 108,628.76

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Solution

The fourth proportional to 295,631.84, 443,491.50 and 108,628.76 is: 162,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,631.84 : 443,491.50 = 108,628.76 : x
  2. Step 2: Convert to fraction form
    295,631.84/443,491.50 = 108,628.76/x
  3. Step 3: Cross multiply
    295,631.84x = 443,491.50 × 108,628.76
  4. Step 4: Simplify right side
    295,631.84x = 48,175,931,715.54
  5. Step 5: Solve for x
    x = 48,175,931,715.54/295,631.84
  6. Step 6: Final answer
    x = 162,959.21

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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.