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Finding the Fourth Proportional to 182,356.70, 251,785.59 and 117,864.12

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Solution

The fourth proportional to 182,356.70, 251,785.59 and 117,864.12 is: 162,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,356.70 : 251,785.59 = 117,864.12 : x
  2. Step 2: Convert to fraction form
    182,356.70/251,785.59 = 117,864.12/x
  3. Step 3: Cross multiply
    182,356.70x = 251,785.59 × 117,864.12
  4. Step 4: Simplify right side
    182,356.70x = 29,676,486,994.03
  5. Step 5: Solve for x
    x = 29,676,486,994.03/182,356.70
  6. Step 6: Final answer
    x = 162,738.68

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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.