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Finding the Fourth Proportional to 145,913.70, 218,877.26 and 44,704.50

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Solution

The fourth proportional to 145,913.70, 218,877.26 and 44,704.50 is: 67,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,913.70 : 218,877.26 = 44,704.50 : x
  2. Step 2: Convert to fraction form
    145,913.70/218,877.26 = 44,704.50/x
  3. Step 3: Cross multiply
    145,913.70x = 218,877.26 × 44,704.50
  4. Step 4: Simplify right side
    145,913.70x = 9,784,798,596.94
  5. Step 5: Solve for x
    x = 9,784,798,596.94/145,913.70
  6. Step 6: Final answer
    x = 67,058.81

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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.