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Finding the Fourth Proportional to 162,408.84, 243,610.58 and 48,556.92

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Solution

The fourth proportional to 162,408.84, 243,610.58 and 48,556.92 is: 72,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,408.84 : 243,610.58 = 48,556.92 : x
  2. Step 2: Convert to fraction form
    162,408.84/243,610.58 = 48,556.92/x
  3. Step 3: Cross multiply
    162,408.84x = 243,610.58 × 48,556.92
  4. Step 4: Simplify right side
    162,408.84x = 11,828,979,444.21
  5. Step 5: Solve for x
    x = 11,828,979,444.21/162,408.84
  6. Step 6: Final answer
    x = 72,834.58

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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.