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Finding the Fourth Proportional to 210,097.56, 315,064.08 and 73,286.10

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Solution

The fourth proportional to 210,097.56, 315,064.08 and 73,286.10 is: 109,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,097.56 : 315,064.08 = 73,286.10 : x
  2. Step 2: Convert to fraction form
    210,097.56/315,064.08 = 73,286.10/x
  3. Step 3: Cross multiply
    210,097.56x = 315,064.08 × 73,286.10
  4. Step 4: Simplify right side
    210,097.56x = 23,089,817,673.29
  5. Step 5: Solve for x
    x = 23,089,817,673.29/210,097.56
  6. Step 6: Final answer
    x = 109,900.46

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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.