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Finding the Fourth Proportional to 225,259.39, 310,827.21 and 134,596.21

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Solution

The fourth proportional to 225,259.39, 310,827.21 and 134,596.21 is: 185,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,259.39 : 310,827.21 = 134,596.21 : x
  2. Step 2: Convert to fraction form
    225,259.39/310,827.21 = 134,596.21/x
  3. Step 3: Cross multiply
    225,259.39x = 310,827.21 × 134,596.21
  4. Step 4: Simplify right side
    225,259.39x = 41,836,164,430.87
  5. Step 5: Solve for x
    x = 41,836,164,430.87/225,259.39
  6. Step 6: Final answer
    x = 185,724.40

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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.