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Finding the Fourth Proportional to 199,728.05, 299,575.67 and 59,486.67

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Solution

The fourth proportional to 199,728.05, 299,575.67 and 59,486.67 is: 89,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,728.05 : 299,575.67 = 59,486.67 : x
  2. Step 2: Convert to fraction form
    199,728.05/299,575.67 = 59,486.67/x
  3. Step 3: Cross multiply
    199,728.05x = 299,575.67 × 59,486.67
  4. Step 4: Simplify right side
    199,728.05x = 17,820,758,723.89
  5. Step 5: Solve for x
    x = 17,820,758,723.89/199,728.05
  6. Step 6: Final answer
    x = 89,225.12

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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.