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Finding the Fourth Proportional to 162,912,161.60, 244,368,242.40 and 90,352,750.40

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Solution

The fourth proportional to 162,912,161.60, 244,368,242.40 and 90,352,750.40 is: 135,529,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,912,161.60 : 244,368,242.40 = 90,352,750.40 : x
  2. Step 2: Convert to fraction form
    162,912,161.60/244,368,242.40 = 90,352,750.40/x
  3. Step 3: Cross multiply
    162,912,161.60x = 244,368,242.40 × 90,352,750.40
  4. Step 4: Simplify right side
    162,912,161.60x = 22,079,342,811,253,900
  5. Step 5: Solve for x
    x = 22,079,342,811,253,900/162,912,161.60
  6. Step 6: Final answer
    x = 135,529,125.60

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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.