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Finding the Fourth Proportional to 310,060.20, 465,090.30 and 110,605.80

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Solution

The fourth proportional to 310,060.20, 465,090.30 and 110,605.80 is: 165,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,060.20 : 465,090.30 = 110,605.80 : x
  2. Step 2: Convert to fraction form
    310,060.20/465,090.30 = 110,605.80/x
  3. Step 3: Cross multiply
    310,060.20x = 465,090.30 × 110,605.80
  4. Step 4: Simplify right side
    310,060.20x = 51,441,684,703.74
  5. Step 5: Solve for x
    x = 51,441,684,703.74/310,060.20
  6. Step 6: Final answer
    x = 165,908.70

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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.