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Finding the Fourth Proportional to 62,999.60, 94,645.20 and 43,316.60

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Solution

The fourth proportional to 62,999.60, 94,645.20 and 43,316.60 is: 65,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,999.60 : 94,645.20 = 43,316.60 : x
  2. Step 2: Convert to fraction form
    62,999.60/94,645.20 = 43,316.60/x
  3. Step 3: Cross multiply
    62,999.60x = 94,645.20 × 43,316.60
  4. Step 4: Simplify right side
    62,999.60x = 4,099,708,270.32
  5. Step 5: Solve for x
    x = 4,099,708,270.32/62,999.60
  6. Step 6: Final answer
    x = 65,075.15

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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.