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Finding the Fourth Proportional to 310,734.36, 466,120.98 and 123,741

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Solution

The fourth proportional to 310,734.36, 466,120.98 and 123,741 is: 185,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,734.36 : 466,120.98 = 123,741 : x
  2. Step 2: Convert to fraction form
    310,734.36/466,120.98 = 123,741/x
  3. Step 3: Cross multiply
    310,734.36x = 466,120.98 × 123,741
  4. Step 4: Simplify right side
    310,734.36x = 57,678,276,186.18
  5. Step 5: Solve for x
    x = 57,678,276,186.18/310,734.36
  6. Step 6: Final answer
    x = 185,619.24

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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.