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Finding the Fourth Proportional to 62,017.60, 93,220.80 and 60,851.20

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Solution

The fourth proportional to 62,017.60, 93,220.80 and 60,851.20 is: 91,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,017.60 : 93,220.80 = 60,851.20 : x
  2. Step 2: Convert to fraction form
    62,017.60/93,220.80 = 60,851.20/x
  3. Step 3: Cross multiply
    62,017.60x = 93,220.80 × 60,851.20
  4. Step 4: Simplify right side
    62,017.60x = 5,672,597,544.96
  5. Step 5: Solve for x
    x = 5,672,597,544.96/62,017.60
  6. Step 6: Final answer
    x = 91,467.54

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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.