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Finding the Fourth Proportional to 73,225.18, 109,900.18 and 28,883.08

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Solution

The fourth proportional to 73,225.18, 109,900.18 and 28,883.08 is: 43,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,225.18 : 109,900.18 = 28,883.08 : x
  2. Step 2: Convert to fraction form
    73,225.18/109,900.18 = 28,883.08/x
  3. Step 3: Cross multiply
    73,225.18x = 109,900.18 × 28,883.08
  4. Step 4: Simplify right side
    73,225.18x = 3,174,255,213.66
  5. Step 5: Solve for x
    x = 3,174,255,213.66/73,225.18
  6. Step 6: Final answer
    x = 43,349.23

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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.