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Finding the Fourth Proportional to 90,733,679.40, 136,100,519.19 and 90,733,679.40

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Solution

The fourth proportional to 90,733,679.40, 136,100,519.19 and 90,733,679.40 is: 136,100,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733,679.40 : 136,100,519.19 = 90,733,679.40 : x
  2. Step 2: Convert to fraction form
    90,733,679.40/136,100,519.19 = 90,733,679.40/x
  3. Step 3: Cross multiply
    90,733,679.40x = 136,100,519.19 × 90,733,679.40
  4. Step 4: Simplify right side
    90,733,679.40x = 12,348,900,874,359,008
  5. Step 5: Solve for x
    x = 12,348,900,874,359,008/90,733,679.40
  6. Step 6: Final answer
    x = 136,100,519.19

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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.