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Finding the Fourth Proportional to 73,270.80, 102,812.40 and 73,270.80

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Solution

The fourth proportional to 73,270.80, 102,812.40 and 73,270.80 is: 102,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,270.80 : 102,812.40 = 73,270.80 : x
  2. Step 2: Convert to fraction form
    73,270.80/102,812.40 = 73,270.80/x
  3. Step 3: Cross multiply
    73,270.80x = 102,812.40 × 73,270.80
  4. Step 4: Simplify right side
    73,270.80x = 7,533,146,797.92
  5. Step 5: Solve for x
    x = 7,533,146,797.92/73,270.80
  6. Step 6: Final answer
    x = 102,812.40

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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.