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Finding the Fourth Proportional to 162,103.80, 243,299.70 and 95,460.60

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Solution

The fourth proportional to 162,103.80, 243,299.70 and 95,460.60 is: 143,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,103.80 : 243,299.70 = 95,460.60 : x
  2. Step 2: Convert to fraction form
    162,103.80/243,299.70 = 95,460.60/x
  3. Step 3: Cross multiply
    162,103.80x = 243,299.70 × 95,460.60
  4. Step 4: Simplify right side
    162,103.80x = 23,225,535,341.82
  5. Step 5: Solve for x
    x = 23,225,535,341.82/162,103.80
  6. Step 6: Final answer
    x = 143,275.70

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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.