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Finding the Fourth Proportional to 118,594.60, 177,891.90 and 113,345.80

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Solution

The fourth proportional to 118,594.60, 177,891.90 and 113,345.80 is: 170,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,594.60 : 177,891.90 = 113,345.80 : x
  2. Step 2: Convert to fraction form
    118,594.60/177,891.90 = 113,345.80/x
  3. Step 3: Cross multiply
    118,594.60x = 177,891.90 × 113,345.80
  4. Step 4: Simplify right side
    118,594.60x = 20,163,299,719.02
  5. Step 5: Solve for x
    x = 20,163,299,719.02/118,594.60
  6. Step 6: Final answer
    x = 170,018.70

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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.