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Finding the Fourth Proportional to 118,874.83, 164,064.08 and 73,567.42

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Solution

The fourth proportional to 118,874.83, 164,064.08 and 73,567.42 is: 101,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,874.83 : 164,064.08 = 73,567.42 : x
  2. Step 2: Convert to fraction form
    118,874.83/164,064.08 = 73,567.42/x
  3. Step 3: Cross multiply
    118,874.83x = 164,064.08 × 73,567.42
  4. Step 4: Simplify right side
    118,874.83x = 12,069,771,080.27
  5. Step 5: Solve for x
    x = 12,069,771,080.27/118,874.83
  6. Step 6: Final answer
    x = 101,533.45

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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.