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Finding the Fourth Proportional to 185,255.88, 255,649.76 and 104,681.67

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Solution

The fourth proportional to 185,255.88, 255,649.76 and 104,681.67 is: 144,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,255.88 : 255,649.76 = 104,681.67 : x
  2. Step 2: Convert to fraction form
    185,255.88/255,649.76 = 104,681.67/x
  3. Step 3: Cross multiply
    185,255.88x = 255,649.76 × 104,681.67
  4. Step 4: Simplify right side
    185,255.88x = 26,761,843,811.90
  5. Step 5: Solve for x
    x = 26,761,843,811.90/185,255.88
  6. Step 6: Final answer
    x = 144,458.81

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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.