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Finding the Fourth Proportional to 242,262.77, 362,994.26 and 140,775.92

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Solution

The fourth proportional to 242,262.77, 362,994.26 and 140,775.92 is: 210,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,262.77 : 362,994.26 = 140,775.92 : x
  2. Step 2: Convert to fraction form
    242,262.77/362,994.26 = 140,775.92/x
  3. Step 3: Cross multiply
    242,262.77x = 362,994.26 × 140,775.92
  4. Step 4: Simplify right side
    242,262.77x = 51,100,848,387.37
  5. Step 5: Solve for x
    x = 51,100,848,387.37/242,262.77
  6. Step 6: Final answer
    x = 210,931.50

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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.