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Finding the Fourth Proportional to 93,656.70, 140,485.05 and 93,000.60

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Solution

The fourth proportional to 93,656.70, 140,485.05 and 93,000.60 is: 139,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,656.70 : 140,485.05 = 93,000.60 : x
  2. Step 2: Convert to fraction form
    93,656.70/140,485.05 = 93,000.60/x
  3. Step 3: Cross multiply
    93,656.70x = 140,485.05 × 93,000.60
  4. Step 4: Simplify right side
    93,656.70x = 13,065,193,941.03
  5. Step 5: Solve for x
    x = 13,065,193,941.03/93,656.70
  6. Step 6: Final answer
    x = 139,500.90

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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.