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Finding the Fourth Proportional to 193,878.84, 290,818.71 and 58,944.09

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Solution

The fourth proportional to 193,878.84, 290,818.71 and 58,944.09 is: 88,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,878.84 : 290,818.71 = 58,944.09 : x
  2. Step 2: Convert to fraction form
    193,878.84/290,818.71 = 58,944.09/x
  3. Step 3: Cross multiply
    193,878.84x = 290,818.71 × 58,944.09
  4. Step 4: Simplify right side
    193,878.84x = 17,142,044,215.92
  5. Step 5: Solve for x
    x = 17,142,044,215.92/193,878.84
  6. Step 6: Final answer
    x = 88,416.27

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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.