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Finding the Fourth Proportional to 130,361.34, 179,898.63 and 70,745.34

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Solution

The fourth proportional to 130,361.34, 179,898.63 and 70,745.34 is: 97,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,361.34 : 179,898.63 = 70,745.34 : x
  2. Step 2: Convert to fraction form
    130,361.34/179,898.63 = 70,745.34/x
  3. Step 3: Cross multiply
    130,361.34x = 179,898.63 × 70,745.34
  4. Step 4: Simplify right side
    130,361.34x = 12,726,989,744.88
  5. Step 5: Solve for x
    x = 12,726,989,744.88/130,361.34
  6. Step 6: Final answer
    x = 97,628.56

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1.5x scale

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.