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Finding the Fourth Proportional to 312,733.74, 469,100.63 and 125,701.50

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Solution

The fourth proportional to 312,733.74, 469,100.63 and 125,701.50 is: 188,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,733.74 : 469,100.63 = 125,701.50 : x
  2. Step 2: Convert to fraction form
    312,733.74/469,100.63 = 125,701.50/x
  3. Step 3: Cross multiply
    312,733.74x = 469,100.63 × 125,701.50
  4. Step 4: Simplify right side
    312,733.74x = 58,966,652,213.44
  5. Step 5: Solve for x
    x = 58,966,652,213.44/312,733.74
  6. Step 6: Final answer
    x = 188,552.26

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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.