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Finding the Fourth Proportional to 145,233.55, 202,912.25 and 145,233.55

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Solution

The fourth proportional to 145,233.55, 202,912.25 and 145,233.55 is: 202,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,233.55 : 202,912.25 = 145,233.55 : x
  2. Step 2: Convert to fraction form
    145,233.55/202,912.25 = 145,233.55/x
  3. Step 3: Cross multiply
    145,233.55x = 202,912.25 × 145,233.55
  4. Step 4: Simplify right side
    145,233.55x = 29,469,666,405.99
  5. Step 5: Solve for x
    x = 29,469,666,405.99/145,233.55
  6. Step 6: Final answer
    x = 202,912.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.