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Finding the Fourth Proportional to 114,600.60, 172,094.76 and 74,687.40

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Solution

The fourth proportional to 114,600.60, 172,094.76 and 74,687.40 is: 112,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,600.60 : 172,094.76 = 74,687.40 : x
  2. Step 2: Convert to fraction form
    114,600.60/172,094.76 = 74,687.40/x
  3. Step 3: Cross multiply
    114,600.60x = 172,094.76 × 74,687.40
  4. Step 4: Simplify right side
    114,600.60x = 12,853,310,178.02
  5. Step 5: Solve for x
    x = 12,853,310,178.02/114,600.60
  6. Step 6: Final answer
    x = 112,157.44

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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.