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Finding the Fourth Proportional to 227,740.60, 341,643.30 and 69,945.40

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Solution

The fourth proportional to 227,740.60, 341,643.30 and 69,945.40 is: 104,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,740.60 : 341,643.30 = 69,945.40 : x
  2. Step 2: Convert to fraction form
    227,740.60/341,643.30 = 69,945.40/x
  3. Step 3: Cross multiply
    227,740.60x = 341,643.30 × 69,945.40
  4. Step 4: Simplify right side
    227,740.60x = 23,896,377,275.82
  5. Step 5: Solve for x
    x = 23,896,377,275.82/227,740.60
  6. Step 6: Final answer
    x = 104,928.05

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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.