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Finding the Fourth Proportional to 202,222.75, 303,334.14 and 54,478.75

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Solution

The fourth proportional to 202,222.75, 303,334.14 and 54,478.75 is: 81,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,222.75 : 303,334.14 = 54,478.75 : x
  2. Step 2: Convert to fraction form
    202,222.75/303,334.14 = 54,478.75/x
  3. Step 3: Cross multiply
    202,222.75x = 303,334.14 × 54,478.75
  4. Step 4: Simplify right side
    202,222.75x = 16,525,264,779.53
  5. Step 5: Solve for x
    x = 16,525,264,779.53/202,222.75
  6. Step 6: Final answer
    x = 81,718.13

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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.