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Finding the Fourth Proportional to 93,650.70, 129,237.77 and 50,630.21

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Solution

The fourth proportional to 93,650.70, 129,237.77 and 50,630.21 is: 69,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,650.70 : 129,237.77 = 50,630.21 : x
  2. Step 2: Convert to fraction form
    93,650.70/129,237.77 = 50,630.21/x
  3. Step 3: Cross multiply
    93,650.70x = 129,237.77 × 50,630.21
  4. Step 4: Simplify right side
    93,650.70x = 6,543,334,915.42
  5. Step 5: Solve for x
    x = 6,543,334,915.42/93,650.70
  6. Step 6: Final answer
    x = 69,869.58

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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.