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Finding the Fourth Proportional to 273,345.80, 410,018.70 and 123,528.20

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Solution

The fourth proportional to 273,345.80, 410,018.70 and 123,528.20 is: 185,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,345.80 : 410,018.70 = 123,528.20 : x
  2. Step 2: Convert to fraction form
    273,345.80/410,018.70 = 123,528.20/x
  3. Step 3: Cross multiply
    273,345.80x = 410,018.70 × 123,528.20
  4. Step 4: Simplify right side
    273,345.80x = 50,648,871,977.34
  5. Step 5: Solve for x
    x = 50,648,871,977.34/273,345.80
  6. Step 6: Final answer
    x = 185,292.30

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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.