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Finding the Fourth Proportional to 229,767.70, 344,662.35 and 72,001.30

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Solution

The fourth proportional to 229,767.70, 344,662.35 and 72,001.30 is: 108,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,767.70 : 344,662.35 = 72,001.30 : x
  2. Step 2: Convert to fraction form
    229,767.70/344,662.35 = 72,001.30/x
  3. Step 3: Cross multiply
    229,767.70x = 344,662.35 × 72,001.30
  4. Step 4: Simplify right side
    229,767.70x = 24,816,137,261.06
  5. Step 5: Solve for x
    x = 24,816,137,261.06/229,767.70
  6. Step 6: Final answer
    x = 108,005.33

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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.