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Finding the Fourth Proportional to 93,333.80, 140,000.70 and 53,311.70

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Solution

The fourth proportional to 93,333.80, 140,000.70 and 53,311.70 is: 79,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,333.80 : 140,000.70 = 53,311.70 : x
  2. Step 2: Convert to fraction form
    93,333.80/140,000.70 = 53,311.70/x
  3. Step 3: Cross multiply
    93,333.80x = 140,000.70 × 53,311.70
  4. Step 4: Simplify right side
    93,333.80x = 7,463,675,318.19
  5. Step 5: Solve for x
    x = 7,463,675,318.19/93,333.80
  6. Step 6: Final answer
    x = 79,967.55

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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.