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Finding the Fourth Proportional to 225,779.52, 338,686.29 and 76,020.24

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Solution

The fourth proportional to 225,779.52, 338,686.29 and 76,020.24 is: 114,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,779.52 : 338,686.29 = 76,020.24 : x
  2. Step 2: Convert to fraction form
    225,779.52/338,686.29 = 76,020.24/x
  3. Step 3: Cross multiply
    225,779.52x = 338,686.29 × 76,020.24
  4. Step 4: Simplify right side
    225,779.52x = 25,747,013,050.51
  5. Step 5: Solve for x
    x = 25,747,013,050.51/225,779.52
  6. Step 6: Final answer
    x = 114,036.09

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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.