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Finding the Fourth Proportional to 222,554.10, 307,118.22 and 130,671.87

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Solution

The fourth proportional to 222,554.10, 307,118.22 and 130,671.87 is: 180,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,554.10 : 307,118.22 = 130,671.87 : x
  2. Step 2: Convert to fraction form
    222,554.10/307,118.22 = 130,671.87/x
  3. Step 3: Cross multiply
    222,554.10x = 307,118.22 × 130,671.87
  4. Step 4: Simplify right side
    222,554.10x = 40,131,712,118.47
  5. Step 5: Solve for x
    x = 40,131,712,118.47/222,554.10
  6. Step 6: Final answer
    x = 180,323.40

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Why These Related Problems?

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