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Finding the Fourth Proportional to 175,262.70, 262,992.47 and 70,089.87

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Solution

The fourth proportional to 175,262.70, 262,992.47 and 70,089.87 is: 105,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,262.70 : 262,992.47 = 70,089.87 : x
  2. Step 2: Convert to fraction form
    175,262.70/262,992.47 = 70,089.87/x
  3. Step 3: Cross multiply
    175,262.70x = 262,992.47 × 70,089.87
  4. Step 4: Simplify right side
    175,262.70x = 18,433,108,033.28
  5. Step 5: Solve for x
    x = 18,433,108,033.28/175,262.70
  6. Step 6: Final answer
    x = 105,174.16

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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.