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Finding the Fourth Proportional to 162,117.30, 243,285.30 and 95,486.70

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Solution

The fourth proportional to 162,117.30, 243,285.30 and 95,486.70 is: 143,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,117.30 : 243,285.30 = 95,486.70 : x
  2. Step 2: Convert to fraction form
    162,117.30/243,285.30 = 95,486.70/x
  3. Step 3: Cross multiply
    162,117.30x = 243,285.30 × 95,486.70
  4. Step 4: Simplify right side
    162,117.30x = 23,230,510,455.51
  5. Step 5: Solve for x
    x = 23,230,510,455.51/162,117.30
  6. Step 6: Final answer
    x = 143,294.46

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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.