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Finding the Fourth Proportional to 248,455, 372,201.32 and 148,693.76

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Solution

The fourth proportional to 248,455, 372,201.32 and 148,693.76 is: 222,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,455 : 372,201.32 = 148,693.76 : x
  2. Step 2: Convert to fraction form
    248,455/372,201.32 = 148,693.76/x
  3. Step 3: Cross multiply
    248,455x = 372,201.32 × 148,693.76
  4. Step 4: Simplify right side
    248,455x = 55,344,013,747.76
  5. Step 5: Solve for x
    x = 55,344,013,747.76/248,455
  6. Step 6: Final answer
    x = 222,752.67

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1.5x scale

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.