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Finding the Fourth Proportional to 130,043.70, 195,065.55 and 95,051.70

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Solution

The fourth proportional to 130,043.70, 195,065.55 and 95,051.70 is: 142,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,043.70 : 195,065.55 = 95,051.70 : x
  2. Step 2: Convert to fraction form
    130,043.70/195,065.55 = 95,051.70/x
  3. Step 3: Cross multiply
    130,043.70x = 195,065.55 × 95,051.70
  4. Step 4: Simplify right side
    130,043.70x = 18,541,312,138.94
  5. Step 5: Solve for x
    x = 18,541,312,138.94/130,043.70
  6. Step 6: Final answer
    x = 142,577.55

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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.