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Finding the Fourth Proportional to 70,996,839.70, 106,495,259.55 and 63,344,089.30

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Solution

The fourth proportional to 70,996,839.70, 106,495,259.55 and 63,344,089.30 is: 95,016,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,996,839.70 : 106,495,259.55 = 63,344,089.30 : x
  2. Step 2: Convert to fraction form
    70,996,839.70/106,495,259.55 = 63,344,089.30/x
  3. Step 3: Cross multiply
    70,996,839.70x = 106,495,259.55 × 63,344,089.30
  4. Step 4: Simplify right side
    70,996,839.70x = 6,745,845,230,961,877
  5. Step 5: Solve for x
    x = 6,745,845,230,961,877/70,996,839.70
  6. Step 6: Final answer
    x = 95,016,133.95

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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.