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Finding the Fourth Proportional to 85,494.99, 118,016.01 and 76,526.67

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Solution

The fourth proportional to 85,494.99, 118,016.01 and 76,526.67 is: 105,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,494.99 : 118,016.01 = 76,526.67 : x
  2. Step 2: Convert to fraction form
    85,494.99/118,016.01 = 76,526.67/x
  3. Step 3: Cross multiply
    85,494.99x = 118,016.01 × 76,526.67
  4. Step 4: Simplify right side
    85,494.99x = 9,031,372,251.99
  5. Step 5: Solve for x
    x = 9,031,372,251.99/85,494.99
  6. Step 6: Final answer
    x = 105,636.27

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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.