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Finding the Fourth Proportional to 253,544.28, 349,887.84 and 146,124.31

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Solution

The fourth proportional to 253,544.28, 349,887.84 and 146,124.31 is: 201,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,544.28 : 349,887.84 = 146,124.31 : x
  2. Step 2: Convert to fraction form
    253,544.28/349,887.84 = 146,124.31/x
  3. Step 3: Cross multiply
    253,544.28x = 349,887.84 × 146,124.31
  4. Step 4: Simplify right side
    253,544.28x = 51,127,119,197.39
  5. Step 5: Solve for x
    x = 51,127,119,197.39/253,544.28
  6. Step 6: Final answer
    x = 201,649.67

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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.