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Finding the Fourth Proportional to 365,871.94, 548,671.51 and 125,918.80

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Solution

The fourth proportional to 365,871.94, 548,671.51 and 125,918.80 is: 188,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,871.94 : 548,671.51 = 125,918.80 : x
  2. Step 2: Convert to fraction form
    365,871.94/548,671.51 = 125,918.80/x
  3. Step 3: Cross multiply
    365,871.94x = 548,671.51 × 125,918.80
  4. Step 4: Simplify right side
    365,871.94x = 69,088,058,133.39
  5. Step 5: Solve for x
    x = 69,088,058,133.39/365,871.94
  6. Step 6: Final answer
    x = 188,831.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.