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Finding the Fourth Proportional to 238,864.83, 357,780.39 and 112,315.44

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Solution

The fourth proportional to 238,864.83, 357,780.39 and 112,315.44 is: 168,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,864.83 : 357,780.39 = 112,315.44 : x
  2. Step 2: Convert to fraction form
    238,864.83/357,780.39 = 112,315.44/x
  3. Step 3: Cross multiply
    238,864.83x = 357,780.39 × 112,315.44
  4. Step 4: Simplify right side
    238,864.83x = 40,184,261,926.22
  5. Step 5: Solve for x
    x = 40,184,261,926.22/238,864.83
  6. Step 6: Final answer
    x = 168,230.13

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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.