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Finding the Fourth Proportional to 63,752,844.70, 89,424,043.70 and 63,752,844.70

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Solution

The fourth proportional to 63,752,844.70, 89,424,043.70 and 63,752,844.70 is: 89,424,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,752,844.70 : 89,424,043.70 = 63,752,844.70 : x
  2. Step 2: Convert to fraction form
    63,752,844.70/89,424,043.70 = 63,752,844.70/x
  3. Step 3: Cross multiply
    63,752,844.70x = 89,424,043.70 × 63,752,844.70
  4. Step 4: Simplify right side
    63,752,844.70x = 5,701,037,170,452,114
  5. Step 5: Solve for x
    x = 5,701,037,170,452,114/63,752,844.70
  6. Step 6: Final answer
    x = 89,424,043.70

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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.