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Finding the Fourth Proportional to 225,296.72, 310,888.37 and 134,634.64

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Solution

The fourth proportional to 225,296.72, 310,888.37 and 134,634.64 is: 185,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,296.72 : 310,888.37 = 134,634.64 : x
  2. Step 2: Convert to fraction form
    225,296.72/310,888.37 = 134,634.64/x
  3. Step 3: Cross multiply
    225,296.72x = 310,888.37 × 134,634.64
  4. Step 4: Simplify right side
    225,296.72x = 41,856,343,775.14
  5. Step 5: Solve for x
    x = 41,856,343,775.14/225,296.72
  6. Step 6: Final answer
    x = 185,783.19

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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.