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Finding the Fourth Proportional to 361,913.04, 543,050.64 and 162,376.02

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Solution

The fourth proportional to 361,913.04, 543,050.64 and 162,376.02 is: 243,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,913.04 : 543,050.64 = 162,376.02 : x
  2. Step 2: Convert to fraction form
    361,913.04/543,050.64 = 162,376.02/x
  3. Step 3: Cross multiply
    361,913.04x = 543,050.64 × 162,376.02
  4. Step 4: Simplify right side
    361,913.04x = 88,178,401,581.65
  5. Step 5: Solve for x
    x = 88,178,401,581.65/361,913.04
  6. Step 6: Final answer
    x = 243,645.27

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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.