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Finding the Fourth Proportional to 114,221.34, 157,674.87 and 85,933.98

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Solution

The fourth proportional to 114,221.34, 157,674.87 and 85,933.98 is: 118,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,221.34 : 157,674.87 = 85,933.98 : x
  2. Step 2: Convert to fraction form
    114,221.34/157,674.87 = 85,933.98/x
  3. Step 3: Cross multiply
    114,221.34x = 157,674.87 × 85,933.98
  4. Step 4: Simplify right side
    114,221.34x = 13,549,629,125.08
  5. Step 5: Solve for x
    x = 13,549,629,125.08/114,221.34
  6. Step 6: Final answer
    x = 118,626.07

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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.