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Finding the Fourth Proportional to 148,907.70, 223,390.35 and 43,730.10

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Solution

The fourth proportional to 148,907.70, 223,390.35 and 43,730.10 is: 65,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,907.70 : 223,390.35 = 43,730.10 : x
  2. Step 2: Convert to fraction form
    148,907.70/223,390.35 = 43,730.10/x
  3. Step 3: Cross multiply
    148,907.70x = 223,390.35 × 43,730.10
  4. Step 4: Simplify right side
    148,907.70x = 9,768,882,344.54
  5. Step 5: Solve for x
    x = 9,768,882,344.54/148,907.70
  6. Step 6: Final answer
    x = 65,603.61

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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.