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Finding the Fourth Proportional to 118,886.58, 164,080.26 and 73,579.14

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Solution

The fourth proportional to 118,886.58, 164,080.26 and 73,579.14 is: 101,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,886.58 : 164,080.26 = 73,579.14 : x
  2. Step 2: Convert to fraction form
    118,886.58/164,080.26 = 73,579.14/x
  3. Step 3: Cross multiply
    118,886.58x = 164,080.26 × 73,579.14
  4. Step 4: Simplify right side
    118,886.58x = 12,072,884,421.78
  5. Step 5: Solve for x
    x = 12,072,884,421.78/118,886.58
  6. Step 6: Final answer
    x = 101,549.60

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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.