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Finding the Fourth Proportional to 136,943.92, 205,279.80 and 95,303.44

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Solution

The fourth proportional to 136,943.92, 205,279.80 and 95,303.44 is: 142,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,943.92 : 205,279.80 = 95,303.44 : x
  2. Step 2: Convert to fraction form
    136,943.92/205,279.80 = 95,303.44/x
  3. Step 3: Cross multiply
    136,943.92x = 205,279.80 × 95,303.44
  4. Step 4: Simplify right side
    136,943.92x = 19,563,871,102.51
  5. Step 5: Solve for x
    x = 19,563,871,102.51/136,943.92
  6. Step 6: Final answer
    x = 142,860.46

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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.