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Finding the Fourth Proportional to 130,361.62, 179,899.04 and 70,745.62

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Solution

The fourth proportional to 130,361.62, 179,899.04 and 70,745.62 is: 97,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,361.62 : 179,899.04 = 70,745.62 : x
  2. Step 2: Convert to fraction form
    130,361.62/179,899.04 = 70,745.62/x
  3. Step 3: Cross multiply
    130,361.62x = 179,899.04 × 70,745.62
  4. Step 4: Simplify right side
    130,361.62x = 12,727,069,122.20
  5. Step 5: Solve for x
    x = 12,727,069,122.20/130,361.62
  6. Step 6: Final answer
    x = 97,628.96

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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.