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Finding the Fourth Proportional to 313,178.96, 469,682.04 and 88,521.68

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Solution

The fourth proportional to 313,178.96, 469,682.04 and 88,521.68 is: 132,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,178.96 : 469,682.04 = 88,521.68 : x
  2. Step 2: Convert to fraction form
    313,178.96/469,682.04 = 88,521.68/x
  3. Step 3: Cross multiply
    313,178.96x = 469,682.04 × 88,521.68
  4. Step 4: Simplify right side
    313,178.96x = 41,577,043,246.63
  5. Step 5: Solve for x
    x = 41,577,043,246.63/313,178.96
  6. Step 6: Final answer
    x = 132,758.10

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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.