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Finding the Fourth Proportional to 247,609.56, 341,695.58 and 145,615.16

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Solution

The fourth proportional to 247,609.56, 341,695.58 and 145,615.16 is: 200,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,609.56 : 341,695.58 = 145,615.16 : x
  2. Step 2: Convert to fraction form
    247,609.56/341,695.58 = 145,615.16/x
  3. Step 3: Cross multiply
    247,609.56x = 341,695.58 × 145,615.16
  4. Step 4: Simplify right side
    247,609.56x = 49,756,056,552.99
  5. Step 5: Solve for x
    x = 49,756,056,552.99/247,609.56
  6. Step 6: Final answer
    x = 200,945.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.