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Finding the Fourth Proportional to 226,678.08, 312,811.41 and 124,697.59

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Solution

The fourth proportional to 226,678.08, 312,811.41 and 124,697.59 is: 172,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,678.08 : 312,811.41 = 124,697.59 : x
  2. Step 2: Convert to fraction form
    226,678.08/312,811.41 = 124,697.59/x
  3. Step 3: Cross multiply
    226,678.08x = 312,811.41 × 124,697.59
  4. Step 4: Simplify right side
    226,678.08x = 39,006,828,951.50
  5. Step 5: Solve for x
    x = 39,006,828,951.50/226,678.08
  6. Step 6: Final answer
    x = 172,080.29

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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.