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Finding the Fourth Proportional to 134,543.98, 185,656.74 and 82,852.87

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Solution

The fourth proportional to 134,543.98, 185,656.74 and 82,852.87 is: 114,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,543.98 : 185,656.74 = 82,852.87 : x
  2. Step 2: Convert to fraction form
    134,543.98/185,656.74 = 82,852.87/x
  3. Step 3: Cross multiply
    134,543.98x = 185,656.74 × 82,852.87
  4. Step 4: Simplify right side
    134,543.98x = 15,382,193,743.84
  5. Step 5: Solve for x
    x = 15,382,193,743.84/134,543.98
  6. Step 6: Final answer
    x = 114,328.37

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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.