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Finding the Fourth Proportional to 130,073.98, 195,110.90 and 36,579.72

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Solution

The fourth proportional to 130,073.98, 195,110.90 and 36,579.72 is: 54,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,073.98 : 195,110.90 = 36,579.72 : x
  2. Step 2: Convert to fraction form
    130,073.98/195,110.90 = 36,579.72/x
  3. Step 3: Cross multiply
    130,073.98x = 195,110.90 × 36,579.72
  4. Step 4: Simplify right side
    130,073.98x = 7,137,102,090.95
  5. Step 5: Solve for x
    x = 7,137,102,090.95/130,073.98
  6. Step 6: Final answer
    x = 54,869.56

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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.