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Finding the Fourth Proportional to 80,070.99, 120,030.75 and 35,673.27

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Solution

The fourth proportional to 80,070.99, 120,030.75 and 35,673.27 is: 53,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,070.99 : 120,030.75 = 35,673.27 : x
  2. Step 2: Convert to fraction form
    80,070.99/120,030.75 = 35,673.27/x
  3. Step 3: Cross multiply
    80,070.99x = 120,030.75 × 35,673.27
  4. Step 4: Simplify right side
    80,070.99x = 4,281,889,353.05
  5. Step 5: Solve for x
    x = 4,281,889,353.05/80,070.99
  6. Step 6: Final answer
    x = 53,476.16

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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.