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Finding the Fourth Proportional to 162,644.90, 243,920.53 and 56,024.55

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Solution

The fourth proportional to 162,644.90, 243,920.53 and 56,024.55 is: 84,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,644.90 : 243,920.53 = 56,024.55 : x
  2. Step 2: Convert to fraction form
    162,644.90/243,920.53 = 56,024.55/x
  3. Step 3: Cross multiply
    162,644.90x = 243,920.53 × 56,024.55
  4. Step 4: Simplify right side
    162,644.90x = 13,665,537,656.03
  5. Step 5: Solve for x
    x = 13,665,537,656.03/162,644.90
  6. Step 6: Final answer
    x = 84,020.70

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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.