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Finding the Fourth Proportional to 195,790.70, 293,706.54 and 83,482.79

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Solution

The fourth proportional to 195,790.70, 293,706.54 and 83,482.79 is: 125,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,790.70 : 293,706.54 = 83,482.79 : x
  2. Step 2: Convert to fraction form
    195,790.70/293,706.54 = 83,482.79/x
  3. Step 3: Cross multiply
    195,790.70x = 293,706.54 × 83,482.79
  4. Step 4: Simplify right side
    195,790.70x = 24,519,439,931.91
  5. Step 5: Solve for x
    x = 24,519,439,931.91/195,790.70
  6. Step 6: Final answer
    x = 125,232.91

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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.