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Finding the Fourth Proportional to 195,810.60, 293,715.90 and 185,701.80

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Solution

The fourth proportional to 195,810.60, 293,715.90 and 185,701.80 is: 278,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,810.60 : 293,715.90 = 185,701.80 : x
  2. Step 2: Convert to fraction form
    195,810.60/293,715.90 = 185,701.80/x
  3. Step 3: Cross multiply
    195,810.60x = 293,715.90 × 185,701.80
  4. Step 4: Simplify right side
    195,810.60x = 54,543,571,318.62
  5. Step 5: Solve for x
    x = 54,543,571,318.62/195,810.60
  6. Step 6: Final answer
    x = 278,552.70

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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.