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Finding the Fourth Proportional to 164,395.64, 227,022.68 and 155,439.74

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Solution

The fourth proportional to 164,395.64, 227,022.68 and 155,439.74 is: 214,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,395.64 : 227,022.68 = 155,439.74 : x
  2. Step 2: Convert to fraction form
    164,395.64/227,022.68 = 155,439.74/x
  3. Step 3: Cross multiply
    164,395.64x = 227,022.68 × 155,439.74
  4. Step 4: Simplify right side
    164,395.64x = 35,288,344,440.99
  5. Step 5: Solve for x
    x = 35,288,344,440.99/164,395.64
  6. Step 6: Final answer
    x = 214,655.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.