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Finding the Fourth Proportional to 101,771.40, 152,657.10 and 62,405.40

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Solution

The fourth proportional to 101,771.40, 152,657.10 and 62,405.40 is: 93,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771.40 : 152,657.10 = 62,405.40 : x
  2. Step 2: Convert to fraction form
    101,771.40/152,657.10 = 62,405.40/x
  3. Step 3: Cross multiply
    101,771.40x = 152,657.10 × 62,405.40
  4. Step 4: Simplify right side
    101,771.40x = 9,526,627,388.34
  5. Step 5: Solve for x
    x = 9,526,627,388.34/101,771.40
  6. Step 6: Final answer
    x = 93,608.10

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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.