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Finding the Fourth Proportional to 73,816.70, 103,110.10 and 73,816.70

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Solution

The fourth proportional to 73,816.70, 103,110.10 and 73,816.70 is: 103,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,816.70 : 103,110.10 = 73,816.70 : x
  2. Step 2: Convert to fraction form
    73,816.70/103,110.10 = 73,816.70/x
  3. Step 3: Cross multiply
    73,816.70x = 103,110.10 × 73,816.70
  4. Step 4: Simplify right side
    73,816.70x = 7,611,247,318.67
  5. Step 5: Solve for x
    x = 7,611,247,318.67/73,816.70
  6. Step 6: Final answer
    x = 103,110.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.