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Finding the Fourth Proportional to 228,133.29, 314,847.58 and 131,340.58

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Solution

The fourth proportional to 228,133.29, 314,847.58 and 131,340.58 is: 181,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,133.29 : 314,847.58 = 131,340.58 : x
  2. Step 2: Convert to fraction form
    228,133.29/314,847.58 = 131,340.58/x
  3. Step 3: Cross multiply
    228,133.29x = 314,847.58 × 131,340.58
  4. Step 4: Simplify right side
    228,133.29x = 41,352,263,768.80
  5. Step 5: Solve for x
    x = 41,352,263,768.80/228,133.29
  6. Step 6: Final answer
    x = 181,263.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.