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Finding the Fourth Proportional to 225,312.63, 310,910.17 and 134,650.55

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Solution

The fourth proportional to 225,312.63, 310,910.17 and 134,650.55 is: 185,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,312.63 : 310,910.17 = 134,650.55 : x
  2. Step 2: Convert to fraction form
    225,312.63/310,910.17 = 134,650.55/x
  3. Step 3: Cross multiply
    225,312.63x = 310,910.17 × 134,650.55
  4. Step 4: Simplify right side
    225,312.63x = 41,864,225,391.09
  5. Step 5: Solve for x
    x = 41,864,225,391.09/225,312.63
  6. Step 6: Final answer
    x = 185,805.05

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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.