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Finding the Fourth Proportional to 130,080.60, 194,894.10 and 59,815.80

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Solution

The fourth proportional to 130,080.60, 194,894.10 and 59,815.80 is: 89,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,080.60 : 194,894.10 = 59,815.80 : x
  2. Step 2: Convert to fraction form
    130,080.60/194,894.10 = 59,815.80/x
  3. Step 3: Cross multiply
    130,080.60x = 194,894.10 × 59,815.80
  4. Step 4: Simplify right side
    130,080.60x = 11,657,746,506.78
  5. Step 5: Solve for x
    x = 11,657,746,506.78/130,080.60
  6. Step 6: Final answer
    x = 89,619.41

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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.