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Finding the Fourth Proportional to 130,523.70, 195,785.55 and 89,051.70

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Solution

The fourth proportional to 130,523.70, 195,785.55 and 89,051.70 is: 133,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,523.70 : 195,785.55 = 89,051.70 : x
  2. Step 2: Convert to fraction form
    130,523.70/195,785.55 = 89,051.70/x
  3. Step 3: Cross multiply
    130,523.70x = 195,785.55 × 89,051.70
  4. Step 4: Simplify right side
    130,523.70x = 17,435,036,062.94
  5. Step 5: Solve for x
    x = 17,435,036,062.94/130,523.70
  6. Step 6: Final answer
    x = 133,577.55

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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.