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Finding the Fourth Proportional to 114,248.59, 171,402.46 and 66,903.68

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Solution

The fourth proportional to 114,248.59, 171,402.46 and 66,903.68 is: 100,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,248.59 : 171,402.46 = 66,903.68 : x
  2. Step 2: Convert to fraction form
    114,248.59/171,402.46 = 66,903.68/x
  3. Step 3: Cross multiply
    114,248.59x = 171,402.46 × 66,903.68
  4. Step 4: Simplify right side
    114,248.59x = 11,467,455,596.30
  5. Step 5: Solve for x
    x = 11,467,455,596.30/114,248.59
  6. Step 6: Final answer
    x = 100,372.84

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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.