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Finding the Fourth Proportional to 214,225.02, 321,225.21 and 73,950.30

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Solution

The fourth proportional to 214,225.02, 321,225.21 and 73,950.30 is: 110,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,225.02 : 321,225.21 = 73,950.30 : x
  2. Step 2: Convert to fraction form
    214,225.02/321,225.21 = 73,950.30/x
  3. Step 3: Cross multiply
    214,225.02x = 321,225.21 × 73,950.30
  4. Step 4: Simplify right side
    214,225.02x = 23,754,700,647.06
  5. Step 5: Solve for x
    x = 23,754,700,647.06/214,225.02
  6. Step 6: Final answer
    x = 110,886.68

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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.