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Finding the Fourth Proportional to 144,438.67, 216,540.62 and 60,261.56

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Solution

The fourth proportional to 144,438.67, 216,540.62 and 60,261.56 is: 90,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,438.67 : 216,540.62 = 60,261.56 : x
  2. Step 2: Convert to fraction form
    144,438.67/216,540.62 = 60,261.56/x
  3. Step 3: Cross multiply
    144,438.67x = 216,540.62 × 60,261.56
  4. Step 4: Simplify right side
    144,438.67x = 13,049,075,564.57
  5. Step 5: Solve for x
    x = 13,049,075,564.57/144,438.67
  6. Step 6: Final answer
    x = 90,343.37

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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.