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Finding the Fourth Proportional to 84,162,451.10, 117,540,453.40 and 84,162,451.10

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Solution

The fourth proportional to 84,162,451.10, 117,540,453.40 and 84,162,451.10 is: 117,540,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,162,451.10 : 117,540,453.40 = 84,162,451.10 : x
  2. Step 2: Convert to fraction form
    84,162,451.10/117,540,453.40 = 84,162,451.10/x
  3. Step 3: Cross multiply
    84,162,451.10x = 117,540,453.40 × 84,162,451.10
  4. Step 4: Simplify right side
    84,162,451.10x = 9,892,492,661,549,328
  5. Step 5: Solve for x
    x = 9,892,492,661,549,328/84,162,451.10
  6. Step 6: Final answer
    x = 117,540,453.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.