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Finding the Fourth Proportional to 130,021.70, 195,032.55 and 95,029.70

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Solution

The fourth proportional to 130,021.70, 195,032.55 and 95,029.70 is: 142,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,021.70 : 195,032.55 = 95,029.70 : x
  2. Step 2: Convert to fraction form
    130,021.70/195,032.55 = 95,029.70/x
  3. Step 3: Cross multiply
    130,021.70x = 195,032.55 × 95,029.70
  4. Step 4: Simplify right side
    130,021.70x = 18,533,884,716.74
  5. Step 5: Solve for x
    x = 18,533,884,716.74/130,021.70
  6. Step 6: Final answer
    x = 142,544.55

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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.