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Finding the Fourth Proportional to 238,754.85, 358,093.35 and 70,235.77

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Solution

The fourth proportional to 238,754.85, 358,093.35 and 70,235.77 is: 105,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,754.85 : 358,093.35 = 70,235.77 : x
  2. Step 2: Convert to fraction form
    238,754.85/358,093.35 = 70,235.77/x
  3. Step 3: Cross multiply
    238,754.85x = 358,093.35 × 70,235.77
  4. Step 4: Simplify right side
    238,754.85x = 25,150,962,169.13
  5. Step 5: Solve for x
    x = 25,150,962,169.13/238,754.85
  6. Step 6: Final answer
    x = 105,342.20

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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.