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Finding the Fourth Proportional to 253,808.22, 380,760.39 and 102,017.13

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Solution

The fourth proportional to 253,808.22, 380,760.39 and 102,017.13 is: 153,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,808.22 : 380,760.39 = 102,017.13 : x
  2. Step 2: Convert to fraction form
    253,808.22/380,760.39 = 102,017.13/x
  3. Step 3: Cross multiply
    253,808.22x = 380,760.39 × 102,017.13
  4. Step 4: Simplify right side
    253,808.22x = 38,844,082,205.48
  5. Step 5: Solve for x
    x = 38,844,082,205.48/253,808.22
  6. Step 6: Final answer
    x = 153,045.01

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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.