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Finding the Fourth Proportional to 118,052.93, 162,913.03 and 64,337.98

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Solution

The fourth proportional to 118,052.93, 162,913.03 and 64,337.98 is: 88,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,052.93 : 162,913.03 = 64,337.98 : x
  2. Step 2: Convert to fraction form
    118,052.93/162,913.03 = 64,337.98/x
  3. Step 3: Cross multiply
    118,052.93x = 162,913.03 × 64,337.98
  4. Step 4: Simplify right side
    118,052.93x = 10,481,495,265.88
  5. Step 5: Solve for x
    x = 10,481,495,265.88/118,052.93
  6. Step 6: Final answer
    x = 88,786.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.