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Finding the Fourth Proportional to 230,548.79, 345,846.23 and 70,622.87

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Solution

The fourth proportional to 230,548.79, 345,846.23 and 70,622.87 is: 105,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,548.79 : 345,846.23 = 70,622.87 : x
  2. Step 2: Convert to fraction form
    230,548.79/345,846.23 = 70,622.87/x
  3. Step 3: Cross multiply
    230,548.79x = 345,846.23 × 70,622.87
  4. Step 4: Simplify right side
    230,548.79x = 24,424,651,921.02
  5. Step 5: Solve for x
    x = 24,424,651,921.02/230,548.79
  6. Step 6: Final answer
    x = 105,941.36

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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.