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Finding the Fourth Proportional to 226,677.99, 312,809.17 and 123,308.93

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Solution

The fourth proportional to 226,677.99, 312,809.17 and 123,308.93 is: 170,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,677.99 : 312,809.17 = 123,308.93 : x
  2. Step 2: Convert to fraction form
    226,677.99/312,809.17 = 123,308.93/x
  3. Step 3: Cross multiply
    226,677.99x = 312,809.17 × 123,308.93
  4. Step 4: Simplify right side
    226,677.99x = 38,572,163,205.85
  5. Step 5: Solve for x
    x = 38,572,163,205.85/226,677.99
  6. Step 6: Final answer
    x = 170,162.80

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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.