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Finding the Fourth Proportional to 282,770.78, 424,145.10 and 95,782.28

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Solution

The fourth proportional to 282,770.78, 424,145.10 and 95,782.28 is: 143,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,770.78 : 424,145.10 = 95,782.28 : x
  2. Step 2: Convert to fraction form
    282,770.78/424,145.10 = 95,782.28/x
  3. Step 3: Cross multiply
    282,770.78x = 424,145.10 × 95,782.28
  4. Step 4: Simplify right side
    282,770.78x = 40,625,584,728.83
  5. Step 5: Solve for x
    x = 40,625,584,728.83/282,770.78
  6. Step 6: Final answer
    x = 143,669.67

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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.