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Finding the Fourth Proportional to 225,291.17, 310,880.54 and 134,629.08

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Solution

The fourth proportional to 225,291.17, 310,880.54 and 134,629.08 is: 185,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,291.17 : 310,880.54 = 134,629.08 : x
  2. Step 2: Convert to fraction form
    225,291.17/310,880.54 = 134,629.08/x
  3. Step 3: Cross multiply
    225,291.17x = 310,880.54 × 134,629.08
  4. Step 4: Simplify right side
    225,291.17x = 41,853,561,426.68
  5. Step 5: Solve for x
    x = 41,853,561,426.68/225,291.17
  6. Step 6: Final answer
    x = 185,775.42

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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.