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Finding the Fourth Proportional to 116,687.90, 174,967.05 and 46,487.90

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Solution

The fourth proportional to 116,687.90, 174,967.05 and 46,487.90 is: 69,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,687.90 : 174,967.05 = 46,487.90 : x
  2. Step 2: Convert to fraction form
    116,687.90/174,967.05 = 46,487.90/x
  3. Step 3: Cross multiply
    116,687.90x = 174,967.05 × 46,487.90
  4. Step 4: Simplify right side
    116,687.90x = 8,133,850,723.70
  5. Step 5: Solve for x
    x = 8,133,850,723.70/116,687.90
  6. Step 6: Final answer
    x = 69,706.03

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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.