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Finding the Fourth Proportional to 101,442.40, 152,163.60 and 62,076.40

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Solution

The fourth proportional to 101,442.40, 152,163.60 and 62,076.40 is: 93,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,442.40 : 152,163.60 = 62,076.40 : x
  2. Step 2: Convert to fraction form
    101,442.40/152,163.60 = 62,076.40/x
  3. Step 3: Cross multiply
    101,442.40x = 152,163.60 × 62,076.40
  4. Step 4: Simplify right side
    101,442.40x = 9,445,768,499.04
  5. Step 5: Solve for x
    x = 9,445,768,499.04/101,442.40
  6. Step 6: Final answer
    x = 93,114.60

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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.