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Finding the Fourth Proportional to 229,926.80, 344,249.40 and 117,364.88

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Solution

The fourth proportional to 229,926.80, 344,249.40 and 117,364.88 is: 175,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,926.80 : 344,249.40 = 117,364.88 : x
  2. Step 2: Convert to fraction form
    229,926.80/344,249.40 = 117,364.88/x
  3. Step 3: Cross multiply
    229,926.80x = 344,249.40 × 117,364.88
  4. Step 4: Simplify right side
    229,926.80x = 40,402,789,521.07
  5. Step 5: Solve for x
    x = 40,402,789,521.07/229,926.80
  6. Step 6: Final answer
    x = 175,720.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.