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Finding the Fourth Proportional to 176,530.73, 264,646.74 and 76,615.34

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Solution

The fourth proportional to 176,530.73, 264,646.74 and 76,615.34 is: 114,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,530.73 : 264,646.74 = 76,615.34 : x
  2. Step 2: Convert to fraction form
    176,530.73/264,646.74 = 76,615.34/x
  3. Step 3: Cross multiply
    176,530.73x = 264,646.74 × 76,615.34
  4. Step 4: Simplify right side
    176,530.73x = 20,275,999,964.99
  5. Step 5: Solve for x
    x = 20,275,999,964.99/176,530.73
  6. Step 6: Final answer
    x = 114,858.19

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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.