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Finding the Fourth Proportional to 228,337.70, 342,466.43 and 70,567.52

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Solution

The fourth proportional to 228,337.70, 342,466.43 and 70,567.52 is: 105,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,337.70 : 342,466.43 = 70,567.52 : x
  2. Step 2: Convert to fraction form
    228,337.70/342,466.43 = 70,567.52/x
  3. Step 3: Cross multiply
    228,337.70x = 342,466.43 × 70,567.52
  4. Step 4: Simplify right side
    228,337.70x = 24,167,004,583.18
  5. Step 5: Solve for x
    x = 24,167,004,583.18/228,337.70
  6. Step 6: Final answer
    x = 105,838.87

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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.