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Finding the Fourth Proportional to 195,864.48, 293,790.24 and 85,056.48

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Solution

The fourth proportional to 195,864.48, 293,790.24 and 85,056.48 is: 127,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,864.48 : 293,790.24 = 85,056.48 : x
  2. Step 2: Convert to fraction form
    195,864.48/293,790.24 = 85,056.48/x
  3. Step 3: Cross multiply
    195,864.48x = 293,790.24 × 85,056.48
  4. Step 4: Simplify right side
    195,864.48x = 24,988,763,672.76
  5. Step 5: Solve for x
    x = 24,988,763,672.76/195,864.48
  6. Step 6: Final answer
    x = 127,581.91

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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.