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Finding the Fourth Proportional to 237,072.64, 355,644.33 and 87,301.42

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Solution

The fourth proportional to 237,072.64, 355,644.33 and 87,301.42 is: 130,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,072.64 : 355,644.33 = 87,301.42 : x
  2. Step 2: Convert to fraction form
    237,072.64/355,644.33 = 87,301.42/x
  3. Step 3: Cross multiply
    237,072.64x = 355,644.33 × 87,301.42
  4. Step 4: Simplify right side
    237,072.64x = 31,048,255,023.95
  5. Step 5: Solve for x
    x = 31,048,255,023.95/237,072.64
  6. Step 6: Final answer
    x = 130,965.15

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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.