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Finding the Fourth Proportional to 68,430.39, 102,648.45 and 23,482.65

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Solution

The fourth proportional to 68,430.39, 102,648.45 and 23,482.65 is: 35,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,430.39 : 102,648.45 = 23,482.65 : x
  2. Step 2: Convert to fraction form
    68,430.39/102,648.45 = 23,482.65/x
  3. Step 3: Cross multiply
    68,430.39x = 102,648.45 × 23,482.65
  4. Step 4: Simplify right side
    68,430.39x = 2,410,457,624.39
  5. Step 5: Solve for x
    x = 2,410,457,624.39/68,430.39
  6. Step 6: Final answer
    x = 35,224.96

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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.