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Finding the Fourth Proportional to 362,064.16, 543,133.20 and 125,406.40

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Solution

The fourth proportional to 362,064.16, 543,133.20 and 125,406.40 is: 188,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,064.16 : 543,133.20 = 125,406.40 : x
  2. Step 2: Convert to fraction form
    362,064.16/543,133.20 = 125,406.40/x
  3. Step 3: Cross multiply
    362,064.16x = 543,133.20 × 125,406.40
  4. Step 4: Simplify right side
    362,064.16x = 68,112,379,332.48
  5. Step 5: Solve for x
    x = 68,112,379,332.48/362,064.16
  6. Step 6: Final answer
    x = 188,122.40

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1.5x scale

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.