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Finding the Fourth Proportional to 176,478.77, 264,569.45 and 76,563.79

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Solution

The fourth proportional to 176,478.77, 264,569.45 and 76,563.79 is: 114,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,478.77 : 264,569.45 = 76,563.79 : x
  2. Step 2: Convert to fraction form
    176,478.77/264,569.45 = 76,563.79/x
  3. Step 3: Cross multiply
    176,478.77x = 264,569.45 × 76,563.79
  4. Step 4: Simplify right side
    176,478.77x = 20,256,438,487.37
  5. Step 5: Solve for x
    x = 20,256,438,487.37/176,478.77
  6. Step 6: Final answer
    x = 114,781.16

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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.