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Finding the Fourth Proportional to 238,660.83, 357,754.75 and 112,074.47

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Solution

The fourth proportional to 238,660.83, 357,754.75 and 112,074.47 is: 168,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,660.83 : 357,754.75 = 112,074.47 : x
  2. Step 2: Convert to fraction form
    238,660.83/357,754.75 = 112,074.47/x
  3. Step 3: Cross multiply
    238,660.83x = 357,754.75 × 112,074.47
  4. Step 4: Simplify right side
    238,660.83x = 40,095,171,647.09
  5. Step 5: Solve for x
    x = 40,095,171,647.09/238,660.83
  6. Step 6: Final answer
    x = 168,000.64

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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.