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Finding the Fourth Proportional to 226,579, 312,687.04 and 124,612.34

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Solution

The fourth proportional to 226,579, 312,687.04 and 124,612.34 is: 171,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,579 : 312,687.04 = 124,612.34 : x
  2. Step 2: Convert to fraction form
    226,579/312,687.04 = 124,612.34/x
  3. Step 3: Cross multiply
    226,579x = 312,687.04 × 124,612.34
  4. Step 4: Simplify right side
    226,579x = 38,964,663,742.07
  5. Step 5: Solve for x
    x = 38,964,663,742.07/226,579
  6. Step 6: Final answer
    x = 171,969.44

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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.