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Finding the Fourth Proportional to 229,077.02, 343,246.17 and 123,945.50

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Solution

The fourth proportional to 229,077.02, 343,246.17 and 123,945.50 is: 185,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,077.02 : 343,246.17 = 123,945.50 : x
  2. Step 2: Convert to fraction form
    229,077.02/343,246.17 = 123,945.50/x
  3. Step 3: Cross multiply
    229,077.02x = 343,246.17 × 123,945.50
  4. Step 4: Simplify right side
    229,077.02x = 42,543,818,163.74
  5. Step 5: Solve for x
    x = 42,543,818,163.74/229,077.02
  6. Step 6: Final answer
    x = 185,718.40

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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.