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Finding the Fourth Proportional to 159,348.44, 219,892.50 and 87,714.47

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Solution

The fourth proportional to 159,348.44, 219,892.50 and 87,714.47 is: 121,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,348.44 : 219,892.50 = 87,714.47 : x
  2. Step 2: Convert to fraction form
    159,348.44/219,892.50 = 87,714.47/x
  3. Step 3: Cross multiply
    159,348.44x = 219,892.50 × 87,714.47
  4. Step 4: Simplify right side
    159,348.44x = 19,287,754,644.21
  5. Step 5: Solve for x
    x = 19,287,754,644.21/159,348.44
  6. Step 6: Final answer
    x = 121,041.38

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1.5x scale

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.