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Finding the Fourth Proportional to 207,967.25, 286,995 and 112,473.95

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Solution

The fourth proportional to 207,967.25, 286,995 and 112,473.95 is: 155,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,967.25 : 286,995 = 112,473.95 : x
  2. Step 2: Convert to fraction form
    207,967.25/286,995 = 112,473.95/x
  3. Step 3: Cross multiply
    207,967.25x = 286,995 × 112,473.95
  4. Step 4: Simplify right side
    207,967.25x = 32,279,459,845.28
  5. Step 5: Solve for x
    x = 32,279,459,845.28/207,967.25
  6. Step 6: Final answer
    x = 155,214.15

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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.