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Finding the Fourth Proportional to 130,565.20, 195,847.80 and 37,058.80

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Solution

The fourth proportional to 130,565.20, 195,847.80 and 37,058.80 is: 55,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,565.20 : 195,847.80 = 37,058.80 : x
  2. Step 2: Convert to fraction form
    130,565.20/195,847.80 = 37,058.80/x
  3. Step 3: Cross multiply
    130,565.20x = 195,847.80 × 37,058.80
  4. Step 4: Simplify right side
    130,565.20x = 7,257,884,450.64
  5. Step 5: Solve for x
    x = 7,257,884,450.64/130,565.20
  6. Step 6: Final answer
    x = 55,588.20

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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.