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Finding the Fourth Proportional to 225,309.26, 310,905.51 and 134,647.17

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Solution

The fourth proportional to 225,309.26, 310,905.51 and 134,647.17 is: 185,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,309.26 : 310,905.51 = 134,647.17 : x
  2. Step 2: Convert to fraction form
    225,309.26/310,905.51 = 134,647.17/x
  3. Step 3: Cross multiply
    225,309.26x = 310,905.51 × 134,647.17
  4. Step 4: Simplify right side
    225,309.26x = 41,862,548,477.27
  5. Step 5: Solve for x
    x = 41,862,548,477.27/225,309.26
  6. Step 6: Final answer
    x = 185,800.39

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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.