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Finding the Fourth Proportional to 158,860.67, 219,276.87 and 102,272

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Solution

The fourth proportional to 158,860.67, 219,276.87 and 102,272 is: 141,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,860.67 : 219,276.87 = 102,272 : x
  2. Step 2: Convert to fraction form
    158,860.67/219,276.87 = 102,272/x
  3. Step 3: Cross multiply
    158,860.67x = 219,276.87 × 102,272
  4. Step 4: Simplify right side
    158,860.67x = 22,425,884,048.64
  5. Step 5: Solve for x
    x = 22,425,884,048.64/158,860.67
  6. Step 6: Final answer
    x = 141,167.00

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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.