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Finding the Fourth Proportional to 295,709.30, 443,563.95 and 93,325.91

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Solution

The fourth proportional to 295,709.30, 443,563.95 and 93,325.91 is: 139,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,709.30 : 443,563.95 = 93,325.91 : x
  2. Step 2: Convert to fraction form
    295,709.30/443,563.95 = 93,325.91/x
  3. Step 3: Cross multiply
    295,709.30x = 443,563.95 × 93,325.91
  4. Step 4: Simplify right side
    295,709.30x = 41,396,009,276.94
  5. Step 5: Solve for x
    x = 41,396,009,276.94/295,709.30
  6. Step 6: Final answer
    x = 139,988.87

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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.