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Finding the Fourth Proportional to 176,071.43, 264,011.57 and 79,955.87

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Solution

The fourth proportional to 176,071.43, 264,011.57 and 79,955.87 is: 119,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,071.43 : 264,011.57 = 79,955.87 : x
  2. Step 2: Convert to fraction form
    176,071.43/264,011.57 = 79,955.87/x
  3. Step 3: Cross multiply
    176,071.43x = 264,011.57 × 79,955.87
  4. Step 4: Simplify right side
    176,071.43x = 21,109,274,769.42
  5. Step 5: Solve for x
    x = 21,109,274,769.42/176,071.43
  6. Step 6: Final answer
    x = 119,890.40

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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.