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Finding the Fourth Proportional to 169,907.39, 234,473.10 and 93,431.44

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Solution

The fourth proportional to 169,907.39, 234,473.10 and 93,431.44 is: 128,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,907.39 : 234,473.10 = 93,431.44 : x
  2. Step 2: Convert to fraction form
    169,907.39/234,473.10 = 93,431.44/x
  3. Step 3: Cross multiply
    169,907.39x = 234,473.10 × 93,431.44
  4. Step 4: Simplify right side
    169,907.39x = 21,907,159,316.99
  5. Step 5: Solve for x
    x = 21,907,159,316.99/169,907.39
  6. Step 6: Final answer
    x = 128,935.88

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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.