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Finding the Fourth Proportional to 176,478.66, 264,715.71 and 43,359.54

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Solution

The fourth proportional to 176,478.66, 264,715.71 and 43,359.54 is: 65,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,478.66 : 264,715.71 = 43,359.54 : x
  2. Step 2: Convert to fraction form
    176,478.66/264,715.71 = 43,359.54/x
  3. Step 3: Cross multiply
    176,478.66x = 264,715.71 × 43,359.54
  4. Step 4: Simplify right side
    176,478.66x = 11,477,951,416.37
  5. Step 5: Solve for x
    x = 11,477,951,416.37/176,478.66
  6. Step 6: Final answer
    x = 65,038.75

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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.