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Finding the Fourth Proportional to 162,495.90, 243,306.45 and 162,495.90

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Solution

The fourth proportional to 162,495.90, 243,306.45 and 162,495.90 is: 243,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,495.90 : 243,306.45 = 162,495.90 : x
  2. Step 2: Convert to fraction form
    162,495.90/243,306.45 = 162,495.90/x
  3. Step 3: Cross multiply
    162,495.90x = 243,306.45 × 162,495.90
  4. Step 4: Simplify right side
    162,495.90x = 39,536,300,568.56
  5. Step 5: Solve for x
    x = 39,536,300,568.56/162,495.90
  6. Step 6: Final answer
    x = 243,306.45

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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.