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Finding the Fourth Proportional to 12,100,031.70, 16,952,641.50 and 12,100,031.70

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Solution

The fourth proportional to 12,100,031.70, 16,952,641.50 and 12,100,031.70 is: 16,952,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100,031.70 : 16,952,641.50 = 12,100,031.70 : x
  2. Step 2: Convert to fraction form
    12,100,031.70/16,952,641.50 = 12,100,031.70/x
  3. Step 3: Cross multiply
    12,100,031.70x = 16,952,641.50 × 12,100,031.70
  4. Step 4: Simplify right side
    12,100,031.70x = 205,127,499,548,735.53
  5. Step 5: Solve for x
    x = 205,127,499,548,735.53/12,100,031.70
  6. Step 6: Final answer
    x = 16,952,641.50

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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.