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Finding the Fourth Proportional to 162,074.19, 243,111.33 and 43,745.52

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Solution

The fourth proportional to 162,074.19, 243,111.33 and 43,745.52 is: 65,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,074.19 : 243,111.33 = 43,745.52 : x
  2. Step 2: Convert to fraction form
    162,074.19/243,111.33 = 43,745.52/x
  3. Step 3: Cross multiply
    162,074.19x = 243,111.33 × 43,745.52
  4. Step 4: Simplify right side
    162,074.19x = 10,635,031,548.74
  5. Step 5: Solve for x
    x = 10,635,031,548.74/162,074.19
  6. Step 6: Final answer
    x = 65,618.29

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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.