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Finding the Fourth Proportional to 71,059.08, 106,391.70 and 35,925.30

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Solution

The fourth proportional to 71,059.08, 106,391.70 and 35,925.30 is: 53,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059.08 : 106,391.70 = 35,925.30 : x
  2. Step 2: Convert to fraction form
    71,059.08/106,391.70 = 35,925.30/x
  3. Step 3: Cross multiply
    71,059.08x = 106,391.70 × 35,925.30
  4. Step 4: Simplify right side
    71,059.08x = 3,822,153,740.01
  5. Step 5: Solve for x
    x = 3,822,153,740.01/71,059.08
  6. Step 6: Final answer
    x = 53,788.39

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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.