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Finding the Fourth Proportional to 161,671.24, 242,474.06 and 43,314.90

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Solution

The fourth proportional to 161,671.24, 242,474.06 and 43,314.90 is: 64,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,671.24 : 242,474.06 = 43,314.90 : x
  2. Step 2: Convert to fraction form
    161,671.24/242,474.06 = 43,314.90/x
  3. Step 3: Cross multiply
    161,671.24x = 242,474.06 × 43,314.90
  4. Step 4: Simplify right side
    161,671.24x = 10,502,739,980.77
  5. Step 5: Solve for x
    x = 10,502,739,980.77/161,671.24
  6. Step 6: Final answer
    x = 64,963.56

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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.