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Finding the Fourth Proportional to 102,567.99, 153,920.79 and 36,008.34

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Solution

The fourth proportional to 102,567.99, 153,920.79 and 36,008.34 is: 54,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,567.99 : 153,920.79 = 36,008.34 : x
  2. Step 2: Convert to fraction form
    102,567.99/153,920.79 = 36,008.34/x
  3. Step 3: Cross multiply
    102,567.99x = 153,920.79 × 36,008.34
  4. Step 4: Simplify right side
    102,567.99x = 5,542,432,139.39
  5. Step 5: Solve for x
    x = 5,542,432,139.39/102,567.99
  6. Step 6: Final answer
    x = 54,036.67

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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.