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Finding the Fourth Proportional to 226,322.66, 312,330.51 and 124,354.49

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Solution

The fourth proportional to 226,322.66, 312,330.51 and 124,354.49 is: 171,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,322.66 : 312,330.51 = 124,354.49 : x
  2. Step 2: Convert to fraction form
    226,322.66/312,330.51 = 124,354.49/x
  3. Step 3: Cross multiply
    226,322.66x = 312,330.51 × 124,354.49
  4. Step 4: Simplify right side
    226,322.66x = 38,839,701,282.49
  5. Step 5: Solve for x
    x = 38,839,701,282.49/226,322.66
  6. Step 6: Final answer
    x = 171,612.07

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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.