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Finding the Fourth Proportional to 251,527.71, 377,291.85 and 64,539.21

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Solution

The fourth proportional to 251,527.71, 377,291.85 and 64,539.21 is: 96,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,527.71 : 377,291.85 = 64,539.21 : x
  2. Step 2: Convert to fraction form
    251,527.71/377,291.85 = 64,539.21/x
  3. Step 3: Cross multiply
    251,527.71x = 377,291.85 × 64,539.21
  4. Step 4: Simplify right side
    251,527.71x = 24,350,117,938.44
  5. Step 5: Solve for x
    x = 24,350,117,938.44/251,527.71
  6. Step 6: Final answer
    x = 96,808.89

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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.