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Finding the Fourth Proportional to 311,751.99, 467,628.19 and 75,094.90

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Solution

The fourth proportional to 311,751.99, 467,628.19 and 75,094.90 is: 112,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,751.99 : 467,628.19 = 75,094.90 : x
  2. Step 2: Convert to fraction form
    311,751.99/467,628.19 = 75,094.90/x
  3. Step 3: Cross multiply
    311,751.99x = 467,628.19 × 75,094.90
  4. Step 4: Simplify right side
    311,751.99x = 35,116,490,808.42
  5. Step 5: Solve for x
    x = 35,116,490,808.42/311,751.99
  6. Step 6: Final answer
    x = 112,642.40

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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.