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Finding the Fourth Proportional to 74,226.70, 111,340.05 and 65,010.70

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Solution

The fourth proportional to 74,226.70, 111,340.05 and 65,010.70 is: 97,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,226.70 : 111,340.05 = 65,010.70 : x
  2. Step 2: Convert to fraction form
    74,226.70/111,340.05 = 65,010.70/x
  3. Step 3: Cross multiply
    74,226.70x = 111,340.05 × 65,010.70
  4. Step 4: Simplify right side
    74,226.70x = 7,238,294,588.54
  5. Step 5: Solve for x
    x = 7,238,294,588.54/74,226.70
  6. Step 6: Final answer
    x = 97,516.05

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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.