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Finding the Fourth Proportional to 191,520,060.80, 268,808,329.60 and 191,520,060.80

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Solution

The fourth proportional to 191,520,060.80, 268,808,329.60 and 191,520,060.80 is: 268,808,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520,060.80 : 268,808,329.60 = 191,520,060.80 : x
  2. Step 2: Convert to fraction form
    191,520,060.80/268,808,329.60 = 191,520,060.80/x
  3. Step 3: Cross multiply
    191,520,060.80x = 268,808,329.60 × 191,520,060.80
  4. Step 4: Simplify right side
    191,520,060.80x = 51,482,187,628,538,448
  5. Step 5: Solve for x
    x = 51,482,187,628,538,448/191,520,060.80
  6. Step 6: Final answer
    x = 268,808,329.60

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