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Finding the Fourth Proportional to 881,672.10, 1,237,140.30 and 881,672.10

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Solution

The fourth proportional to 881,672.10, 1,237,140.30 and 881,672.10 is: 1,237,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,672.10 : 1,237,140.30 = 881,672.10 : x
  2. Step 2: Convert to fraction form
    881,672.10/1,237,140.30 = 881,672.10/x
  3. Step 3: Cross multiply
    881,672.10x = 1,237,140.30 × 881,672.10
  4. Step 4: Simplify right side
    881,672.10x = 1,090,752,086,295.63
  5. Step 5: Solve for x
    x = 1,090,752,086,295.63/881,672.10
  6. Step 6: Final answer
    x = 1,237,140.30

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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.