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Finding the Fourth Proportional to 99,756.44, 148,548.30 and 98,652

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Solution

The fourth proportional to 99,756.44, 148,548.30 and 98,652 is: 146,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,756.44 : 148,548.30 = 98,652 : x
  2. Step 2: Convert to fraction form
    99,756.44/148,548.30 = 98,652/x
  3. Step 3: Cross multiply
    99,756.44x = 148,548.30 × 98,652
  4. Step 4: Simplify right side
    99,756.44x = 14,654,586,891.60
  5. Step 5: Solve for x
    x = 14,654,586,891.60/99,756.44
  6. Step 6: Final answer
    x = 146,903.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.