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Finding the Fourth Proportional to 189,036.78, 283,555.16 and 55,906.67

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Solution

The fourth proportional to 189,036.78, 283,555.16 and 55,906.67 is: 83,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,036.78 : 283,555.16 = 55,906.67 : x
  2. Step 2: Convert to fraction form
    189,036.78/283,555.16 = 55,906.67/x
  3. Step 3: Cross multiply
    189,036.78x = 283,555.16 × 55,906.67
  4. Step 4: Simplify right side
    189,036.78x = 15,852,624,756.92
  5. Step 5: Solve for x
    x = 15,852,624,756.92/189,036.78
  6. Step 6: Final answer
    x = 83,860.00

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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.