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Finding the Fourth Proportional to 266,771,240, 368,144,311.20 and 144,677,672

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Solution

The fourth proportional to 266,771,240, 368,144,311.20 and 144,677,672 is: 199,655,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,771,240 : 368,144,311.20 = 144,677,672 : x
  2. Step 2: Convert to fraction form
    266,771,240/368,144,311.20 = 144,677,672/x
  3. Step 3: Cross multiply
    266,771,240x = 368,144,311.20 × 144,677,672
  4. Step 4: Simplify right side
    266,771,240x = 53,262,261,904,459,528
  5. Step 5: Solve for x
    x = 53,262,261,904,459,528/266,771,240
  6. Step 6: Final answer
    x = 199,655,187.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.