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Finding the Fourth Proportional to 202,436.80, 303,655.20 and 62,202.40

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Solution

The fourth proportional to 202,436.80, 303,655.20 and 62,202.40 is: 93,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,436.80 : 303,655.20 = 62,202.40 : x
  2. Step 2: Convert to fraction form
    202,436.80/303,655.20 = 62,202.40/x
  3. Step 3: Cross multiply
    202,436.80x = 303,655.20 × 62,202.40
  4. Step 4: Simplify right side
    202,436.80x = 18,888,082,212.48
  5. Step 5: Solve for x
    x = 18,888,082,212.48/202,436.80
  6. Step 6: Final answer
    x = 93,303.60

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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.