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Finding the Fourth Proportional to 191,238.40, 286,857.60 and 160,825.60

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Solution

The fourth proportional to 191,238.40, 286,857.60 and 160,825.60 is: 241,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,238.40 : 286,857.60 = 160,825.60 : x
  2. Step 2: Convert to fraction form
    191,238.40/286,857.60 = 160,825.60/x
  3. Step 3: Cross multiply
    191,238.40x = 286,857.60 × 160,825.60
  4. Step 4: Simplify right side
    191,238.40x = 46,134,045,634.56
  5. Step 5: Solve for x
    x = 46,134,045,634.56/191,238.40
  6. Step 6: Final answer
    x = 241,238.40

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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.