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Finding the Fourth Proportional to 176,990.40, 265,619.25 and 120,697.02

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Solution

The fourth proportional to 176,990.40, 265,619.25 and 120,697.02 is: 181,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,990.40 : 265,619.25 = 120,697.02 : x
  2. Step 2: Convert to fraction form
    176,990.40/265,619.25 = 120,697.02/x
  3. Step 3: Cross multiply
    176,990.40x = 265,619.25 × 120,697.02
  4. Step 4: Simplify right side
    176,990.40x = 32,059,451,929.64
  5. Step 5: Solve for x
    x = 32,059,451,929.64/176,990.40
  6. Step 6: Final answer
    x = 181,136.67

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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.