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Finding the Fourth Proportional to 49,810.60, 74,802.30 and 48,255.40

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Solution

The fourth proportional to 49,810.60, 74,802.30 and 48,255.40 is: 72,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,810.60 : 74,802.30 = 48,255.40 : x
  2. Step 2: Convert to fraction form
    49,810.60/74,802.30 = 48,255.40/x
  3. Step 3: Cross multiply
    49,810.60x = 74,802.30 × 48,255.40
  4. Step 4: Simplify right side
    49,810.60x = 3,609,614,907.42
  5. Step 5: Solve for x
    x = 3,609,614,907.42/49,810.60
  6. Step 6: Final answer
    x = 72,466.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.