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Finding the Fourth Proportional to 207,335.68, 286,101.12 and 116,696.32

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Solution

The fourth proportional to 207,335.68, 286,101.12 and 116,696.32 is: 161,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,335.68 : 286,101.12 = 116,696.32 : x
  2. Step 2: Convert to fraction form
    207,335.68/286,101.12 = 116,696.32/x
  3. Step 3: Cross multiply
    207,335.68x = 286,101.12 × 116,696.32
  4. Step 4: Simplify right side
    207,335.68x = 33,386,947,851.88
  5. Step 5: Solve for x
    x = 33,386,947,851.88/207,335.68
  6. Step 6: Final answer
    x = 161,028.47

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1.5x scale

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.