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Finding the Fourth Proportional to 188,482.60, 260,097.78 and 103,594.60

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Solution

The fourth proportional to 188,482.60, 260,097.78 and 103,594.60 is: 142,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,482.60 : 260,097.78 = 103,594.60 : x
  2. Step 2: Convert to fraction form
    188,482.60/260,097.78 = 103,594.60/x
  3. Step 3: Cross multiply
    188,482.60x = 260,097.78 × 103,594.60
  4. Step 4: Simplify right side
    188,482.60x = 26,944,725,479.99
  5. Step 5: Solve for x
    x = 26,944,725,479.99/188,482.60
  6. Step 6: Final answer
    x = 142,956.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.