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Finding the Fourth Proportional to 227,955.60, 342,214.20 and 143,715.60

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Solution

The fourth proportional to 227,955.60, 342,214.20 and 143,715.60 is: 215,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,955.60 : 342,214.20 = 143,715.60 : x
  2. Step 2: Convert to fraction form
    227,955.60/342,214.20 = 143,715.60/x
  3. Step 3: Cross multiply
    227,955.60x = 342,214.20 × 143,715.60
  4. Step 4: Simplify right side
    227,955.60x = 49,181,519,081.52
  5. Step 5: Solve for x
    x = 49,181,519,081.52/227,955.60
  6. Step 6: Final answer
    x = 215,750.43

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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.