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Finding the Fourth Proportional to 183,321.16, 252,927.49 and 115,405.93

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Solution

The fourth proportional to 183,321.16, 252,927.49 and 115,405.93 is: 159,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,321.16 : 252,927.49 = 115,405.93 : x
  2. Step 2: Convert to fraction form
    183,321.16/252,927.49 = 115,405.93/x
  3. Step 3: Cross multiply
    183,321.16x = 252,927.49 × 115,405.93
  4. Step 4: Simplify right side
    183,321.16x = 29,189,332,206.02
  5. Step 5: Solve for x
    x = 29,189,332,206.02/183,321.16
  6. Step 6: Final answer
    x = 159,225.11

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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.