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Finding the Fourth Proportional to 355,364.76, 533,139.46 and 106,046.76

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Solution

The fourth proportional to 355,364.76, 533,139.46 and 106,046.76 is: 159,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,364.76 : 533,139.46 = 106,046.76 : x
  2. Step 2: Convert to fraction form
    355,364.76/533,139.46 = 106,046.76/x
  3. Step 3: Cross multiply
    355,364.76x = 533,139.46 × 106,046.76
  4. Step 4: Simplify right side
    355,364.76x = 56,537,712,361.15
  5. Step 5: Solve for x
    x = 56,537,712,361.15/355,364.76
  6. Step 6: Final answer
    x = 159,097.69

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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.