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Finding the Fourth Proportional to 91,950.90, 137,926.32 and 29,621.40

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Solution

The fourth proportional to 91,950.90, 137,926.32 and 29,621.40 is: 44,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,950.90 : 137,926.32 = 29,621.40 : x
  2. Step 2: Convert to fraction form
    91,950.90/137,926.32 = 29,621.40/x
  3. Step 3: Cross multiply
    91,950.90x = 137,926.32 × 29,621.40
  4. Step 4: Simplify right side
    91,950.90x = 4,085,570,695.25
  5. Step 5: Solve for x
    x = 4,085,570,695.25/91,950.90
  6. Step 6: Final answer
    x = 44,432.09

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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.