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Finding the Fourth Proportional to 93,122.20, 139,683.30 and 34,000.30

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Solution

The fourth proportional to 93,122.20, 139,683.30 and 34,000.30 is: 51,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,122.20 : 139,683.30 = 34,000.30 : x
  2. Step 2: Convert to fraction form
    93,122.20/139,683.30 = 34,000.30/x
  3. Step 3: Cross multiply
    93,122.20x = 139,683.30 × 34,000.30
  4. Step 4: Simplify right side
    93,122.20x = 4,749,274,104.99
  5. Step 5: Solve for x
    x = 4,749,274,104.99/93,122.20
  6. Step 6: Final answer
    x = 51,000.45

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1.5x scale

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.