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Finding the Fourth Proportional to 216,814.56, 325,271.24 and 116,972.88

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Solution

The fourth proportional to 216,814.56, 325,271.24 and 116,972.88 is: 175,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,814.56 : 325,271.24 = 116,972.88 : x
  2. Step 2: Convert to fraction form
    216,814.56/325,271.24 = 116,972.88/x
  3. Step 3: Cross multiply
    216,814.56x = 325,271.24 × 116,972.88
  4. Step 4: Simplify right side
    216,814.56x = 38,047,913,723.97
  5. Step 5: Solve for x
    x = 38,047,913,723.97/216,814.56
  6. Step 6: Final answer
    x = 175,485.97

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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.