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Finding the Fourth Proportional to 112,004, 168,009.24 and 28,898

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Solution

The fourth proportional to 112,004, 168,009.24 and 28,898 is: 43,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004 : 168,009.24 = 28,898 : x
  2. Step 2: Convert to fraction form
    112,004/168,009.24 = 28,898/x
  3. Step 3: Cross multiply
    112,004x = 168,009.24 × 28,898
  4. Step 4: Simplify right side
    112,004x = 4,855,131,017.52
  5. Step 5: Solve for x
    x = 4,855,131,017.52/112,004
  6. Step 6: Final answer
    x = 43,347.84

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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.