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Finding the Fourth Proportional to 262,466.70, 362,203.95 and 143,234.70

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Solution

The fourth proportional to 262,466.70, 362,203.95 and 143,234.70 is: 197,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,466.70 : 362,203.95 = 143,234.70 : x
  2. Step 2: Convert to fraction form
    262,466.70/362,203.95 = 143,234.70/x
  3. Step 3: Cross multiply
    262,466.70x = 362,203.95 × 143,234.70
  4. Step 4: Simplify right side
    262,466.70x = 51,880,174,117.07
  5. Step 5: Solve for x
    x = 51,880,174,117.07/262,466.70
  6. Step 6: Final answer
    x = 197,663.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.