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Finding the Fourth Proportional to 237,058.60, 355,639.10 and 70,863.40

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Solution

The fourth proportional to 237,058.60, 355,639.10 and 70,863.40 is: 106,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,058.60 : 355,639.10 = 70,863.40 : x
  2. Step 2: Convert to fraction form
    237,058.60/355,639.10 = 70,863.40/x
  3. Step 3: Cross multiply
    237,058.60x = 355,639.10 × 70,863.40
  4. Step 4: Simplify right side
    237,058.60x = 25,201,795,798.94
  5. Step 5: Solve for x
    x = 25,201,795,798.94/237,058.60
  6. Step 6: Final answer
    x = 106,310.41

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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.