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Finding the Fourth Proportional to 153,305.65, 229,958.54 and 68,967.30

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Solution

The fourth proportional to 153,305.65, 229,958.54 and 68,967.30 is: 103,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,305.65 : 229,958.54 = 68,967.30 : x
  2. Step 2: Convert to fraction form
    153,305.65/229,958.54 = 68,967.30/x
  3. Step 3: Cross multiply
    153,305.65x = 229,958.54 × 68,967.30
  4. Step 4: Simplify right side
    153,305.65x = 15,859,619,270.91
  5. Step 5: Solve for x
    x = 15,859,619,270.91/153,305.65
  6. Step 6: Final answer
    x = 103,450.98

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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.