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Finding the Fourth Proportional to 237,133.80, 355,579.10 and 70,900.20

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Solution

The fourth proportional to 237,133.80, 355,579.10 and 70,900.20 is: 106,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,133.80 : 355,579.10 = 70,900.20 : x
  2. Step 2: Convert to fraction form
    237,133.80/355,579.10 = 70,900.20/x
  3. Step 3: Cross multiply
    237,133.80x = 355,579.10 × 70,900.20
  4. Step 4: Simplify right side
    237,133.80x = 25,210,629,305.82
  5. Step 5: Solve for x
    x = 25,210,629,305.82/237,133.80
  6. Step 6: Final answer
    x = 106,313.94

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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.