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Finding the Fourth Proportional to 202,172.72, 303,259.06 and 61,913.12

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Solution

The fourth proportional to 202,172.72, 303,259.06 and 61,913.12 is: 92,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,172.72 : 303,259.06 = 61,913.12 : x
  2. Step 2: Convert to fraction form
    202,172.72/303,259.06 = 61,913.12/x
  3. Step 3: Cross multiply
    202,172.72x = 303,259.06 × 61,913.12
  4. Step 4: Simplify right side
    202,172.72x = 18,775,714,572.87
  5. Step 5: Solve for x
    x = 18,775,714,572.87/202,172.72
  6. Step 6: Final answer
    x = 92,869.67

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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.