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Finding the Fourth Proportional to 130,444.40, 195,904.20 and 114,114.80

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Solution

The fourth proportional to 130,444.40, 195,904.20 and 114,114.80 is: 171,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,444.40 : 195,904.20 = 114,114.80 : x
  2. Step 2: Convert to fraction form
    130,444.40/195,904.20 = 114,114.80/x
  3. Step 3: Cross multiply
    130,444.40x = 195,904.20 × 114,114.80
  4. Step 4: Simplify right side
    130,444.40x = 22,355,568,602.16
  5. Step 5: Solve for x
    x = 22,355,568,602.16/130,444.40
  6. Step 6: Final answer
    x = 171,380.06

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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.