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Finding the Fourth Proportional to 226,920.76, 313,148.01 and 124,944.10

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Solution

The fourth proportional to 226,920.76, 313,148.01 and 124,944.10 is: 172,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,920.76 : 313,148.01 = 124,944.10 : x
  2. Step 2: Convert to fraction form
    226,920.76/313,148.01 = 124,944.10/x
  3. Step 3: Cross multiply
    226,920.76x = 313,148.01 × 124,944.10
  4. Step 4: Simplify right side
    226,920.76x = 39,125,996,276.24
  5. Step 5: Solve for x
    x = 39,125,996,276.24/226,920.76
  6. Step 6: Final answer
    x = 172,421.41

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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.