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Finding the Fourth Proportional to 117,118.59, 175,663.31 and 38,226.21

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Solution

The fourth proportional to 117,118.59, 175,663.31 and 38,226.21 is: 57,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,118.59 : 175,663.31 = 38,226.21 : x
  2. Step 2: Convert to fraction form
    117,118.59/175,663.31 = 38,226.21/x
  3. Step 3: Cross multiply
    117,118.59x = 175,663.31 × 38,226.21
  4. Step 4: Simplify right side
    117,118.59x = 6,714,942,386.22
  5. Step 5: Solve for x
    x = 6,714,942,386.22/117,118.59
  6. Step 6: Final answer
    x = 57,334.56

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1.5x scale

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.