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Finding the Fourth Proportional to 225,165.04, 310,676.88 and 134,503.28

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Solution

The fourth proportional to 225,165.04, 310,676.88 and 134,503.28 is: 185,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,165.04 : 310,676.88 = 134,503.28 : x
  2. Step 2: Convert to fraction form
    225,165.04/310,676.88 = 134,503.28/x
  3. Step 3: Cross multiply
    225,165.04x = 310,676.88 × 134,503.28
  4. Step 4: Simplify right side
    225,165.04x = 41,787,059,380.17
  5. Step 5: Solve for x
    x = 41,787,059,380.17/225,165.04
  6. Step 6: Final answer
    x = 185,584.14

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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.