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Finding the Fourth Proportional to 113,788.87, 157,016.76 and 62,800.67

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Solution

The fourth proportional to 113,788.87, 157,016.76 and 62,800.67 is: 86,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,788.87 : 157,016.76 = 62,800.67 : x
  2. Step 2: Convert to fraction form
    113,788.87/157,016.76 = 62,800.67/x
  3. Step 3: Cross multiply
    113,788.87x = 157,016.76 × 62,800.67
  4. Step 4: Simplify right side
    113,788.87x = 9,860,757,729.23
  5. Step 5: Solve for x
    x = 9,860,757,729.23/113,788.87
  6. Step 6: Final answer
    x = 86,658.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.