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Finding the Fourth Proportional to 112,714.60, 169,074.60 and 37,837.18

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Solution

The fourth proportional to 112,714.60, 169,074.60 and 37,837.18 is: 56,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,714.60 : 169,074.60 = 37,837.18 : x
  2. Step 2: Convert to fraction form
    112,714.60/169,074.60 = 37,837.18/x
  3. Step 3: Cross multiply
    112,714.60x = 169,074.60 × 37,837.18
  4. Step 4: Simplify right side
    112,714.60x = 6,397,306,073.63
  5. Step 5: Solve for x
    x = 6,397,306,073.63/112,714.60
  6. Step 6: Final answer
    x = 56,756.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.