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Finding the Fourth Proportional to 237,071.60, 355,658.60 and 70,876.40

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Solution

The fourth proportional to 237,071.60, 355,658.60 and 70,876.40 is: 106,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,071.60 : 355,658.60 = 70,876.40 : x
  2. Step 2: Convert to fraction form
    237,071.60/355,658.60 = 70,876.40/x
  3. Step 3: Cross multiply
    237,071.60x = 355,658.60 × 70,876.40
  4. Step 4: Simplify right side
    237,071.60x = 25,207,801,197.04
  5. Step 5: Solve for x
    x = 25,207,801,197.04/237,071.60
  6. Step 6: Final answer
    x = 106,329.91

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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.