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Finding the Fourth Proportional to 127,114.40, 190,671.60 and 32,344.40

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Solution

The fourth proportional to 127,114.40, 190,671.60 and 32,344.40 is: 48,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.40 : 190,671.60 = 32,344.40 : x
  2. Step 2: Convert to fraction form
    127,114.40/190,671.60 = 32,344.40/x
  3. Step 3: Cross multiply
    127,114.40x = 190,671.60 × 32,344.40
  4. Step 4: Simplify right side
    127,114.40x = 6,167,158,499.04
  5. Step 5: Solve for x
    x = 6,167,158,499.04/127,114.40
  6. Step 6: Final answer
    x = 48,516.60

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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.