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Finding the Fourth Proportional to 60,148.85, 90,196.92 and 28,567.94

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Solution

The fourth proportional to 60,148.85, 90,196.92 and 28,567.94 is: 42,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,148.85 : 90,196.92 = 28,567.94 : x
  2. Step 2: Convert to fraction form
    60,148.85/90,196.92 = 28,567.94/x
  3. Step 3: Cross multiply
    60,148.85x = 90,196.92 × 28,567.94
  4. Step 4: Simplify right side
    60,148.85x = 2,576,739,747.76
  5. Step 5: Solve for x
    x = 2,576,739,747.76/60,148.85
  6. Step 6: Final answer
    x = 42,839.39

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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.