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Finding the Fourth Proportional to 106,950.50, 147,630.64 and 62,238.50

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Solution

The fourth proportional to 106,950.50, 147,630.64 and 62,238.50 is: 85,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,950.50 : 147,630.64 = 62,238.50 : x
  2. Step 2: Convert to fraction form
    106,950.50/147,630.64 = 62,238.50/x
  3. Step 3: Cross multiply
    106,950.50x = 147,630.64 × 62,238.50
  4. Step 4: Simplify right side
    106,950.50x = 9,188,309,587.64
  5. Step 5: Solve for x
    x = 9,188,309,587.64/106,950.50
  6. Step 6: Final answer
    x = 85,911.80

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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.