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Finding the Fourth Proportional to 242,563.68, 364,011.57 and 84,792.42

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Solution

The fourth proportional to 242,563.68, 364,011.57 and 84,792.42 is: 127,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,563.68 : 364,011.57 = 84,792.42 : x
  2. Step 2: Convert to fraction form
    242,563.68/364,011.57 = 84,792.42/x
  3. Step 3: Cross multiply
    242,563.68x = 364,011.57 × 84,792.42
  4. Step 4: Simplify right side
    242,563.68x = 30,865,421,928.30
  5. Step 5: Solve for x
    x = 30,865,421,928.30/242,563.68
  6. Step 6: Final answer
    x = 127,246.68

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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.