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Finding the Fourth Proportional to 162,701.64, 243,903 and 56,060.20

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Solution

The fourth proportional to 162,701.64, 243,903 and 56,060.20 is: 84,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,701.64 : 243,903 = 56,060.20 : x
  2. Step 2: Convert to fraction form
    162,701.64/243,903 = 56,060.20/x
  3. Step 3: Cross multiply
    162,701.64x = 243,903 × 56,060.20
  4. Step 4: Simplify right side
    162,701.64x = 13,673,250,960.60
  5. Step 5: Solve for x
    x = 13,673,250,960.60/162,701.64
  6. Step 6: Final answer
    x = 84,038.80

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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.