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Finding the Fourth Proportional to 130,522.70, 195,784.05 and 41,779.10

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Solution

The fourth proportional to 130,522.70, 195,784.05 and 41,779.10 is: 62,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,522.70 : 195,784.05 = 41,779.10 : x
  2. Step 2: Convert to fraction form
    130,522.70/195,784.05 = 41,779.10/x
  3. Step 3: Cross multiply
    130,522.70x = 195,784.05 × 41,779.10
  4. Step 4: Simplify right side
    130,522.70x = 8,179,681,403.36
  5. Step 5: Solve for x
    x = 8,179,681,403.36/130,522.70
  6. Step 6: Final answer
    x = 62,668.65

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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.