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Finding the Fourth Proportional to 225,509.01, 311,191.27 and 123,534.91

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Solution

The fourth proportional to 225,509.01, 311,191.27 and 123,534.91 is: 170,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,509.01 : 311,191.27 = 123,534.91 : x
  2. Step 2: Convert to fraction form
    225,509.01/311,191.27 = 123,534.91/x
  3. Step 3: Cross multiply
    225,509.01x = 311,191.27 × 123,534.91
  4. Step 4: Simplify right side
    225,509.01x = 38,442,985,532.24
  5. Step 5: Solve for x
    x = 38,442,985,532.24/225,509.01
  6. Step 6: Final answer
    x = 170,472.06

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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.