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Finding the Fourth Proportional to 161,577.44, 242,256.81 and 56,339

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Solution

The fourth proportional to 161,577.44, 242,256.81 and 56,339 is: 84,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,577.44 : 242,256.81 = 56,339 : x
  2. Step 2: Convert to fraction form
    161,577.44/242,256.81 = 56,339/x
  3. Step 3: Cross multiply
    161,577.44x = 242,256.81 × 56,339
  4. Step 4: Simplify right side
    161,577.44x = 13,648,506,418.59
  5. Step 5: Solve for x
    x = 13,648,506,418.59/161,577.44
  6. Step 6: Final answer
    x = 84,470.37

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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.