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Finding the Fourth Proportional to 225,402.48, 311,033.88 and 134,740.44

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Solution

The fourth proportional to 225,402.48, 311,033.88 and 134,740.44 is: 185,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,402.48 : 311,033.88 = 134,740.44 : x
  2. Step 2: Convert to fraction form
    225,402.48/311,033.88 = 134,740.44/x
  3. Step 3: Cross multiply
    225,402.48x = 311,033.88 × 134,740.44
  4. Step 4: Simplify right side
    225,402.48x = 41,908,841,846.11
  5. Step 5: Solve for x
    x = 41,908,841,846.11/225,402.48
  6. Step 6: Final answer
    x = 185,928.93

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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.