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Finding the Fourth Proportional to 93,000.20, 139,500.30 and 55,675.40

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Solution

The fourth proportional to 93,000.20, 139,500.30 and 55,675.40 is: 83,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.20 : 139,500.30 = 55,675.40 : x
  2. Step 2: Convert to fraction form
    93,000.20/139,500.30 = 55,675.40/x
  3. Step 3: Cross multiply
    93,000.20x = 139,500.30 × 55,675.40
  4. Step 4: Simplify right side
    93,000.20x = 7,766,735,002.62
  5. Step 5: Solve for x
    x = 7,766,735,002.62/93,000.20
  6. Step 6: Final answer
    x = 83,513.10

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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.