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Finding the Fourth Proportional to 237,073.64, 355,645.83 and 87,302.42

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Solution

The fourth proportional to 237,073.64, 355,645.83 and 87,302.42 is: 130,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,073.64 : 355,645.83 = 87,302.42 : x
  2. Step 2: Convert to fraction form
    237,073.64/355,645.83 = 87,302.42/x
  3. Step 3: Cross multiply
    237,073.64x = 355,645.83 × 87,302.42
  4. Step 4: Simplify right side
    237,073.64x = 31,048,741,621.91
  5. Step 5: Solve for x
    x = 31,048,741,621.91/237,073.64
  6. Step 6: Final answer
    x = 130,966.66

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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.