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Finding the Fourth Proportional to 114,499.80, 171,749.70 and 102,252.60

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Solution

The fourth proportional to 114,499.80, 171,749.70 and 102,252.60 is: 153,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,499.80 : 171,749.70 = 102,252.60 : x
  2. Step 2: Convert to fraction form
    114,499.80/171,749.70 = 102,252.60/x
  3. Step 3: Cross multiply
    114,499.80x = 171,749.70 × 102,252.60
  4. Step 4: Simplify right side
    114,499.80x = 17,561,853,374.22
  5. Step 5: Solve for x
    x = 17,561,853,374.22/114,499.80
  6. Step 6: Final answer
    x = 153,378.90

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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.