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Finding the Fourth Proportional to 121,253.60, 181,880.40 and 95,884.40

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Solution

The fourth proportional to 121,253.60, 181,880.40 and 95,884.40 is: 143,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,253.60 : 181,880.40 = 95,884.40 : x
  2. Step 2: Convert to fraction form
    121,253.60/181,880.40 = 95,884.40/x
  3. Step 3: Cross multiply
    121,253.60x = 181,880.40 × 95,884.40
  4. Step 4: Simplify right side
    121,253.60x = 17,439,493,025.76
  5. Step 5: Solve for x
    x = 17,439,493,025.76/121,253.60
  6. Step 6: Final answer
    x = 143,826.60

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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.