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Finding the Fourth Proportional to 163,804.99, 226,013.48 and 92,158.87

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Solution

The fourth proportional to 163,804.99, 226,013.48 and 92,158.87 is: 127,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,804.99 : 226,013.48 = 92,158.87 : x
  2. Step 2: Convert to fraction form
    163,804.99/226,013.48 = 92,158.87/x
  3. Step 3: Cross multiply
    163,804.99x = 226,013.48 × 92,158.87
  4. Step 4: Simplify right side
    163,804.99x = 20,829,146,921.57
  5. Step 5: Solve for x
    x = 20,829,146,921.57/163,804.99
  6. Step 6: Final answer
    x = 127,158.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.