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Finding the Fourth Proportional to 475,072.65, 712,608.97 and 120,086.67

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Solution

The fourth proportional to 475,072.65, 712,608.97 and 120,086.67 is: 180,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,072.65 : 712,608.97 = 120,086.67 : x
  2. Step 2: Convert to fraction form
    475,072.65/712,608.97 = 120,086.67/x
  3. Step 3: Cross multiply
    475,072.65x = 712,608.97 × 120,086.67
  4. Step 4: Simplify right side
    475,072.65x = 85,574,836,477.91
  5. Step 5: Solve for x
    x = 85,574,836,477.91/475,072.65
  6. Step 6: Final answer
    x = 180,130.00

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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.