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Finding the Fourth Proportional to 201,885.40, 303,119.70 and 152,313.40

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Solution

The fourth proportional to 201,885.40, 303,119.70 and 152,313.40 is: 228,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,885.40 : 303,119.70 = 152,313.40 : x
  2. Step 2: Convert to fraction form
    201,885.40/303,119.70 = 152,313.40/x
  3. Step 3: Cross multiply
    201,885.40x = 303,119.70 × 152,313.40
  4. Step 4: Simplify right side
    201,885.40x = 46,169,192,113.98
  5. Step 5: Solve for x
    x = 46,169,192,113.98/201,885.40
  6. Step 6: Final answer
    x = 228,690.10

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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.