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Finding the Fourth Proportional to 230,845.50, 318,572.16 and 144,808.11

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Solution

The fourth proportional to 230,845.50, 318,572.16 and 144,808.11 is: 199,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,845.50 : 318,572.16 = 144,808.11 : x
  2. Step 2: Convert to fraction form
    230,845.50/318,572.16 = 144,808.11/x
  3. Step 3: Cross multiply
    230,845.50x = 318,572.16 × 144,808.11
  4. Step 4: Simplify right side
    230,845.50x = 46,131,832,388.22
  5. Step 5: Solve for x
    x = 46,131,832,388.22/230,845.50
  6. Step 6: Final answer
    x = 199,838.56

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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.