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Finding the Fourth Proportional to 249,720.88, 344,586.60 and 147,749.44

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Solution

The fourth proportional to 249,720.88, 344,586.60 and 147,749.44 is: 203,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,720.88 : 344,586.60 = 147,749.44 : x
  2. Step 2: Convert to fraction form
    249,720.88/344,586.60 = 147,749.44/x
  3. Step 3: Cross multiply
    249,720.88x = 344,586.60 × 147,749.44
  4. Step 4: Simplify right side
    249,720.88x = 50,912,477,181.50
  5. Step 5: Solve for x
    x = 50,912,477,181.50/249,720.88
  6. Step 6: Final answer
    x = 203,877.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.