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Finding the Fourth Proportional to 130,303.74, 195,258.78 and 96,866.94

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Solution

The fourth proportional to 130,303.74, 195,258.78 and 96,866.94 is: 145,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,303.74 : 195,258.78 = 96,866.94 : x
  2. Step 2: Convert to fraction form
    130,303.74/195,258.78 = 96,866.94/x
  3. Step 3: Cross multiply
    130,303.74x = 195,258.78 × 96,866.94
  4. Step 4: Simplify right side
    130,303.74x = 18,914,120,526.73
  5. Step 5: Solve for x
    x = 18,914,120,526.73/130,303.74
  6. Step 6: Final answer
    x = 145,154.09

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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.