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Finding the Fourth Proportional to 355,276.93, 532,919.62 and 99,093.93

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Solution

The fourth proportional to 355,276.93, 532,919.62 and 99,093.93 is: 148,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,276.93 : 532,919.62 = 99,093.93 : x
  2. Step 2: Convert to fraction form
    355,276.93/532,919.62 = 99,093.93/x
  3. Step 3: Cross multiply
    355,276.93x = 532,919.62 × 99,093.93
  4. Step 4: Simplify right side
    355,276.93x = 52,809,099,519.91
  5. Step 5: Solve for x
    x = 52,809,099,519.91/355,276.93
  6. Step 6: Final answer
    x = 148,642.07

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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.