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Finding the Fourth Proportional to 355,748.84, 533,746.14 and 134,257.64

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Solution

The fourth proportional to 355,748.84, 533,746.14 and 134,257.64 is: 201,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,748.84 : 533,746.14 = 134,257.64 : x
  2. Step 2: Convert to fraction form
    355,748.84/533,746.14 = 134,257.64/x
  3. Step 3: Cross multiply
    355,748.84x = 533,746.14 × 134,257.64
  4. Step 4: Simplify right side
    355,748.84x = 71,659,497,115.51
  5. Step 5: Solve for x
    x = 71,659,497,115.51/355,748.84
  6. Step 6: Final answer
    x = 201,432.83

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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.