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Finding the Fourth Proportional to 62,112.40, 93,168.60 and 48,115.60

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Solution

The fourth proportional to 62,112.40, 93,168.60 and 48,115.60 is: 72,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,112.40 : 93,168.60 = 48,115.60 : x
  2. Step 2: Convert to fraction form
    62,112.40/93,168.60 = 48,115.60/x
  3. Step 3: Cross multiply
    62,112.40x = 93,168.60 × 48,115.60
  4. Step 4: Simplify right side
    62,112.40x = 4,482,863,090.16
  5. Step 5: Solve for x
    x = 4,482,863,090.16/62,112.40
  6. Step 6: Final answer
    x = 72,173.40

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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.