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Finding the Fourth Proportional to 130,137.80, 195,077.10 and 59,894.60

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Solution

The fourth proportional to 130,137.80, 195,077.10 and 59,894.60 is: 89,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,137.80 : 195,077.10 = 59,894.60 : x
  2. Step 2: Convert to fraction form
    130,137.80/195,077.10 = 59,894.60/x
  3. Step 3: Cross multiply
    130,137.80x = 195,077.10 × 59,894.60
  4. Step 4: Simplify right side
    130,137.80x = 11,684,064,873.66
  5. Step 5: Solve for x
    x = 11,684,064,873.66/130,137.80
  6. Step 6: Final answer
    x = 89,782.25

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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.