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Finding the Fourth Proportional to 239,760.81, 359,524.58 and 139,953.42

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Solution

The fourth proportional to 239,760.81, 359,524.58 and 139,953.42 is: 209,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,760.81 : 359,524.58 = 139,953.42 : x
  2. Step 2: Convert to fraction form
    239,760.81/359,524.58 = 139,953.42/x
  3. Step 3: Cross multiply
    239,760.81x = 359,524.58 × 139,953.42
  4. Step 4: Simplify right side
    239,760.81x = 50,316,693,845.30
  5. Step 5: Solve for x
    x = 50,316,693,845.30/239,760.81
  6. Step 6: Final answer
    x = 209,862.04

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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.