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Finding the Fourth Proportional to 66,114.14, 99,245.18 and 43,970.90

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Solution

The fourth proportional to 66,114.14, 99,245.18 and 43,970.90 is: 66,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,114.14 : 99,245.18 = 43,970.90 : x
  2. Step 2: Convert to fraction form
    66,114.14/99,245.18 = 43,970.90/x
  3. Step 3: Cross multiply
    66,114.14x = 99,245.18 × 43,970.90
  4. Step 4: Simplify right side
    66,114.14x = 4,363,899,498.96
  5. Step 5: Solve for x
    x = 4,363,899,498.96/66,114.14
  6. Step 6: Final answer
    x = 66,005.54

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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.