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Finding the Fourth Proportional to 191,520,043.80, 268,808,305.80 and 191,520,043.80

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Solution

The fourth proportional to 191,520,043.80, 268,808,305.80 and 191,520,043.80 is: 268,808,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520,043.80 : 268,808,305.80 = 191,520,043.80 : x
  2. Step 2: Convert to fraction form
    191,520,043.80/268,808,305.80 = 191,520,043.80/x
  3. Step 3: Cross multiply
    191,520,043.80x = 268,808,305.80 × 191,520,043.80
  4. Step 4: Simplify right side
    191,520,043.80x = 51,482,178,500,619,800
  5. Step 5: Solve for x
    x = 51,482,178,500,619,800/191,520,043.80
  6. Step 6: Final answer
    x = 268,808,305.80

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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.