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Finding the Fourth Proportional to 50,862.60, 76,148.10 and 49,404.60

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Solution

The fourth proportional to 50,862.60, 76,148.10 and 49,404.60 is: 73,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,862.60 : 76,148.10 = 49,404.60 : x
  2. Step 2: Convert to fraction form
    50,862.60/76,148.10 = 49,404.60/x
  3. Step 3: Cross multiply
    50,862.60x = 76,148.10 × 49,404.60
  4. Step 4: Simplify right side
    50,862.60x = 3,762,066,421.26
  5. Step 5: Solve for x
    x = 3,762,066,421.26/50,862.60
  6. Step 6: Final answer
    x = 73,965.28

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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.