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Finding the Fourth Proportional to 260,696.18, 359,677.08 and 145,957.92

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Solution

The fourth proportional to 260,696.18, 359,677.08 and 145,957.92 is: 201,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,696.18 : 359,677.08 = 145,957.92 : x
  2. Step 2: Convert to fraction form
    260,696.18/359,677.08 = 145,957.92/x
  3. Step 3: Cross multiply
    260,696.18x = 359,677.08 × 145,957.92
  4. Step 4: Simplify right side
    260,696.18x = 52,497,718,468.47
  5. Step 5: Solve for x
    x = 52,497,718,468.47/260,696.18
  6. Step 6: Final answer
    x = 201,375.10

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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.