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Finding the Fourth Proportional to 229,811.37, 344,640.51 and 96,666.81

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Solution

The fourth proportional to 229,811.37, 344,640.51 and 96,666.81 is: 144,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,811.37 : 344,640.51 = 96,666.81 : x
  2. Step 2: Convert to fraction form
    229,811.37/344,640.51 = 96,666.81/x
  3. Step 3: Cross multiply
    229,811.37x = 344,640.51 × 96,666.81
  4. Step 4: Simplify right side
    229,811.37x = 33,315,298,698.47
  5. Step 5: Solve for x
    x = 33,315,298,698.47/229,811.37
  6. Step 6: Final answer
    x = 144,968.02

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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.