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Finding the Fourth Proportional to 353,943.70, 530,790.50 and 114,048.02

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Solution

The fourth proportional to 353,943.70, 530,790.50 and 114,048.02 is: 171,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,943.70 : 530,790.50 = 114,048.02 : x
  2. Step 2: Convert to fraction form
    353,943.70/530,790.50 = 114,048.02/x
  3. Step 3: Cross multiply
    353,943.70x = 530,790.50 × 114,048.02
  4. Step 4: Simplify right side
    353,943.70x = 60,535,607,171.91
  5. Step 5: Solve for x
    x = 60,535,607,171.91/353,943.70
  6. Step 6: Final answer
    x = 171,031.74

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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.