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Finding the Fourth Proportional to 176,609.79, 264,920.76 and 70,013.90

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Solution

The fourth proportional to 176,609.79, 264,920.76 and 70,013.90 is: 105,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,609.79 : 264,920.76 = 70,013.90 : x
  2. Step 2: Convert to fraction form
    176,609.79/264,920.76 = 70,013.90/x
  3. Step 3: Cross multiply
    176,609.79x = 264,920.76 × 70,013.90
  4. Step 4: Simplify right side
    176,609.79x = 18,548,136,260.87
  5. Step 5: Solve for x
    x = 18,548,136,260.87/176,609.79
  6. Step 6: Final answer
    x = 105,023.26

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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.