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Finding the Fourth Proportional to 243,000.73, 364,464.13 and 93,311.52

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Solution

The fourth proportional to 243,000.73, 364,464.13 and 93,311.52 is: 139,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,000.73 : 364,464.13 = 93,311.52 : x
  2. Step 2: Convert to fraction form
    243,000.73/364,464.13 = 93,311.52/x
  3. Step 3: Cross multiply
    243,000.73x = 364,464.13 × 93,311.52
  4. Step 4: Simplify right side
    243,000.73x = 34,008,701,955.78
  5. Step 5: Solve for x
    x = 34,008,701,955.78/243,000.73
  6. Step 6: Final answer
    x = 139,953.09

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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.