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Finding the Fourth Proportional to 161,702.10, 242,541.81 and 60,480.90

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Solution

The fourth proportional to 161,702.10, 242,541.81 and 60,480.90 is: 90,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.10 : 242,541.81 = 60,480.90 : x
  2. Step 2: Convert to fraction form
    161,702.10/242,541.81 = 60,480.90/x
  3. Step 3: Cross multiply
    161,702.10x = 242,541.81 × 60,480.90
  4. Step 4: Simplify right side
    161,702.10x = 14,669,146,956.43
  5. Step 5: Solve for x
    x = 14,669,146,956.43/161,702.10
  6. Step 6: Final answer
    x = 90,717.11

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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.