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Finding the Fourth Proportional to 162,356.67, 243,530.15 and 73,545.03

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Solution

The fourth proportional to 162,356.67, 243,530.15 and 73,545.03 is: 110,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,356.67 : 243,530.15 = 73,545.03 : x
  2. Step 2: Convert to fraction form
    162,356.67/243,530.15 = 73,545.03/x
  3. Step 3: Cross multiply
    162,356.67x = 243,530.15 × 73,545.03
  4. Step 4: Simplify right side
    162,356.67x = 17,910,431,819.93
  5. Step 5: Solve for x
    x = 17,910,431,819.93/162,356.67
  6. Step 6: Final answer
    x = 110,315.34

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1.5x scale

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.