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Finding the Fourth Proportional to 176,443.70, 264,516.75 and 76,528.63

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Solution

The fourth proportional to 176,443.70, 264,516.75 and 76,528.63 is: 114,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,443.70 : 264,516.75 = 76,528.63 : x
  2. Step 2: Convert to fraction form
    176,443.70/264,516.75 = 76,528.63/x
  3. Step 3: Cross multiply
    176,443.70x = 264,516.75 × 76,528.63
  4. Step 4: Simplify right side
    176,443.70x = 20,243,102,784.33
  5. Step 5: Solve for x
    x = 20,243,102,784.33/176,443.70
  6. Step 6: Final answer
    x = 114,728.40

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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.