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Finding the Fourth Proportional to 245,967.31, 368,824.32 and 112,733.47

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Solution

The fourth proportional to 245,967.31, 368,824.32 and 112,733.47 is: 169,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,967.31 : 368,824.32 = 112,733.47 : x
  2. Step 2: Convert to fraction form
    245,967.31/368,824.32 = 112,733.47/x
  3. Step 3: Cross multiply
    245,967.31x = 368,824.32 × 112,733.47
  4. Step 4: Simplify right side
    245,967.31x = 41,578,845,413.99
  5. Step 5: Solve for x
    x = 41,578,845,413.99/245,967.31
  6. Step 6: Final answer
    x = 169,042.16

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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.