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Finding the Fourth Proportional to 162,462.40, 243,693.60 and 162,462.40

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Solution

The fourth proportional to 162,462.40, 243,693.60 and 162,462.40 is: 243,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,462.40 : 243,693.60 = 162,462.40 : x
  2. Step 2: Convert to fraction form
    162,462.40/243,693.60 = 162,462.40/x
  3. Step 3: Cross multiply
    162,462.40x = 243,693.60 × 162,462.40
  4. Step 4: Simplify right side
    162,462.40x = 39,591,047,120.64
  5. Step 5: Solve for x
    x = 39,591,047,120.64/162,462.40
  6. Step 6: Final answer
    x = 243,693.60

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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.