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Finding the Fourth Proportional to 83,190.10, 124,700.10 and 41,005.30

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Solution

The fourth proportional to 83,190.10, 124,700.10 and 41,005.30 is: 61,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,190.10 : 124,700.10 = 41,005.30 : x
  2. Step 2: Convert to fraction form
    83,190.10/124,700.10 = 41,005.30/x
  3. Step 3: Cross multiply
    83,190.10x = 124,700.10 × 41,005.30
  4. Step 4: Simplify right side
    83,190.10x = 5,113,365,010.53
  5. Step 5: Solve for x
    x = 5,113,365,010.53/83,190.10
  6. Step 6: Final answer
    x = 61,466.03

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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.