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Finding the Fourth Proportional to 245,696.61, 368,373.92 and 108,845.39

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Solution

The fourth proportional to 245,696.61, 368,373.92 and 108,845.39 is: 163,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,696.61 : 368,373.92 = 108,845.39 : x
  2. Step 2: Convert to fraction form
    245,696.61/368,373.92 = 108,845.39/x
  3. Step 3: Cross multiply
    245,696.61x = 368,373.92 × 108,845.39
  4. Step 4: Simplify right side
    245,696.61x = 40,095,800,602.13
  5. Step 5: Solve for x
    x = 40,095,800,602.13/245,696.61
  6. Step 6: Final answer
    x = 163,192.32

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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.