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Finding the Fourth Proportional to 107,805.80, 162,000.30 and 94,975.40

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Solution

The fourth proportional to 107,805.80, 162,000.30 and 94,975.40 is: 142,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,805.80 : 162,000.30 = 94,975.40 : x
  2. Step 2: Convert to fraction form
    107,805.80/162,000.30 = 94,975.40/x
  3. Step 3: Cross multiply
    107,805.80x = 162,000.30 × 94,975.40
  4. Step 4: Simplify right side
    107,805.80x = 15,386,043,292.62
  5. Step 5: Solve for x
    x = 15,386,043,292.62/107,805.80
  6. Step 6: Final answer
    x = 142,720.00

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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.