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Finding the Fourth Proportional to 104,000.95, 155,860.08 and 43,979.55

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Solution

The fourth proportional to 104,000.95, 155,860.08 and 43,979.55 is: 65,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,000.95 : 155,860.08 = 43,979.55 : x
  2. Step 2: Convert to fraction form
    104,000.95/155,860.08 = 43,979.55/x
  3. Step 3: Cross multiply
    104,000.95x = 155,860.08 × 43,979.55
  4. Step 4: Simplify right side
    104,000.95x = 6,854,656,181.36
  5. Step 5: Solve for x
    x = 6,854,656,181.36/104,000.95
  6. Step 6: Final answer
    x = 65,909.55

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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.