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Finding the Fourth Proportional to 235,508.94, 324,835.23 and 144,745.74

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Solution

The fourth proportional to 235,508.94, 324,835.23 and 144,745.74 is: 199,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,508.94 : 324,835.23 = 144,745.74 : x
  2. Step 2: Convert to fraction form
    235,508.94/324,835.23 = 144,745.74/x
  3. Step 3: Cross multiply
    235,508.94x = 324,835.23 × 144,745.74
  4. Step 4: Simplify right side
    235,508.94x = 47,018,515,744.42
  5. Step 5: Solve for x
    x = 47,018,515,744.42/235,508.94
  6. Step 6: Final answer
    x = 199,646.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.