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Finding the Fourth Proportional to 262,032.30, 393,048.45 and 122,064.30

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Solution

The fourth proportional to 262,032.30, 393,048.45 and 122,064.30 is: 183,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,032.30 : 393,048.45 = 122,064.30 : x
  2. Step 2: Convert to fraction form
    262,032.30/393,048.45 = 122,064.30/x
  3. Step 3: Cross multiply
    262,032.30x = 393,048.45 × 122,064.30
  4. Step 4: Simplify right side
    262,032.30x = 47,977,183,915.34
  5. Step 5: Solve for x
    x = 47,977,183,915.34/262,032.30
  6. Step 6: Final answer
    x = 183,096.45

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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.