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Finding the Fourth Proportional to 67,394,502.60, 101,091,753.90 and 66,050,809.80

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Solution

The fourth proportional to 67,394,502.60, 101,091,753.90 and 66,050,809.80 is: 99,076,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,394,502.60 : 101,091,753.90 = 66,050,809.80 : x
  2. Step 2: Convert to fraction form
    67,394,502.60/101,091,753.90 = 66,050,809.80/x
  3. Step 3: Cross multiply
    67,394,502.60x = 101,091,753.90 × 66,050,809.80
  4. Step 4: Simplify right side
    67,394,502.60x = 6,677,192,209,197,308
  5. Step 5: Solve for x
    x = 6,677,192,209,197,308/67,394,502.60
  6. Step 6: Final answer
    x = 99,076,214.70

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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.