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Finding the Fourth Proportional to 130,674.60, 195,810.30 and 97,237.80

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Solution

The fourth proportional to 130,674.60, 195,810.30 and 97,237.80 is: 145,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,674.60 : 195,810.30 = 97,237.80 : x
  2. Step 2: Convert to fraction form
    130,674.60/195,810.30 = 97,237.80/x
  3. Step 3: Cross multiply
    130,674.60x = 195,810.30 × 97,237.80
  4. Step 4: Simplify right side
    130,674.60x = 19,040,162,789.34
  5. Step 5: Solve for x
    x = 19,040,162,789.34/130,674.60
  6. Step 6: Final answer
    x = 145,706.69

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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.