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Finding the Fourth Proportional to 162,447.40, 243,671.10 and 160,114.60

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Solution

The fourth proportional to 162,447.40, 243,671.10 and 160,114.60 is: 240,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,447.40 : 243,671.10 = 160,114.60 : x
  2. Step 2: Convert to fraction form
    162,447.40/243,671.10 = 160,114.60/x
  3. Step 3: Cross multiply
    162,447.40x = 243,671.10 × 160,114.60
  4. Step 4: Simplify right side
    162,447.40x = 39,015,300,708.06
  5. Step 5: Solve for x
    x = 39,015,300,708.06/162,447.40
  6. Step 6: Final answer
    x = 240,171.90

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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.