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Finding the Fourth Proportional to 130,635.60, 195,948.84 and 34,573.20

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Solution

The fourth proportional to 130,635.60, 195,948.84 and 34,573.20 is: 51,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,635.60 : 195,948.84 = 34,573.20 : x
  2. Step 2: Convert to fraction form
    130,635.60/195,948.84 = 34,573.20/x
  3. Step 3: Cross multiply
    130,635.60x = 195,948.84 × 34,573.20
  4. Step 4: Simplify right side
    130,635.60x = 6,774,578,435.09
  5. Step 5: Solve for x
    x = 6,774,578,435.09/130,635.60
  6. Step 6: Final answer
    x = 51,858.59

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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.