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Finding the Fourth Proportional to 225,551.52, 311,261.08 and 123,580.84

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Solution

The fourth proportional to 225,551.52, 311,261.08 and 123,580.84 is: 170,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,551.52 : 311,261.08 = 123,580.84 : x
  2. Step 2: Convert to fraction form
    225,551.52/311,261.08 = 123,580.84/x
  3. Step 3: Cross multiply
    225,551.52x = 311,261.08 × 123,580.84
  4. Step 4: Simplify right side
    225,551.52x = 38,465,905,725.71
  5. Step 5: Solve for x
    x = 38,465,905,725.71/225,551.52
  6. Step 6: Final answer
    x = 170,541.55

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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.