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Finding the Fourth Proportional to 188,475.17, 260,100.65 and 103,594.46

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Solution

The fourth proportional to 188,475.17, 260,100.65 and 103,594.46 is: 142,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,475.17 : 260,100.65 = 103,594.46 : x
  2. Step 2: Convert to fraction form
    188,475.17/260,100.65 = 103,594.46/x
  3. Step 3: Cross multiply
    188,475.17x = 260,100.65 × 103,594.46
  4. Step 4: Simplify right side
    188,475.17x = 26,944,985,340.88
  5. Step 5: Solve for x
    x = 26,944,985,340.88/188,475.17
  6. Step 6: Final answer
    x = 142,963.05

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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.