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Finding the Fourth Proportional to 202,373.40, 303,300.90 and 155,393.40

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Solution

The fourth proportional to 202,373.40, 303,300.90 and 155,393.40 is: 232,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,373.40 : 303,300.90 = 155,393.40 : x
  2. Step 2: Convert to fraction form
    202,373.40/303,300.90 = 155,393.40/x
  3. Step 3: Cross multiply
    202,373.40x = 303,300.90 × 155,393.40
  4. Step 4: Simplify right side
    202,373.40x = 47,130,958,074.06
  5. Step 5: Solve for x
    x = 47,130,958,074.06/202,373.40
  6. Step 6: Final answer
    x = 232,891.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.