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Finding the Fourth Proportional to 302,665.99, 453,841.34 and 112,970.34

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Solution

The fourth proportional to 302,665.99, 453,841.34 and 112,970.34 is: 169,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,665.99 : 453,841.34 = 112,970.34 : x
  2. Step 2: Convert to fraction form
    302,665.99/453,841.34 = 112,970.34/x
  3. Step 3: Cross multiply
    302,665.99x = 453,841.34 × 112,970.34
  4. Step 4: Simplify right side
    302,665.99x = 51,270,609,921.00
  5. Step 5: Solve for x
    x = 51,270,609,921.00/302,665.99
  6. Step 6: Final answer
    x = 169,396.67

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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.