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Finding the Fourth Proportional to 242,256.80, 363,161.64 and 130,015.64

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Solution

The fourth proportional to 242,256.80, 363,161.64 and 130,015.64 is: 194,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,256.80 : 363,161.64 = 130,015.64 : x
  2. Step 2: Convert to fraction form
    242,256.80/363,161.64 = 130,015.64/x
  3. Step 3: Cross multiply
    242,256.80x = 363,161.64 × 130,015.64
  4. Step 4: Simplify right side
    242,256.80x = 47,216,693,048.05
  5. Step 5: Solve for x
    x = 47,216,693,048.05/242,256.80
  6. Step 6: Final answer
    x = 194,903.48

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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.