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Finding the Fourth Proportional to 253,716.93, 349,960.59 and 163,187.42

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Solution

The fourth proportional to 253,716.93, 349,960.59 and 163,187.42 is: 225,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,716.93 : 349,960.59 = 163,187.42 : x
  2. Step 2: Convert to fraction form
    253,716.93/349,960.59 = 163,187.42/x
  3. Step 3: Cross multiply
    253,716.93x = 349,960.59 × 163,187.42
  4. Step 4: Simplify right side
    253,716.93x = 57,109,164,033.97
  5. Step 5: Solve for x
    x = 57,109,164,033.97/253,716.93
  6. Step 6: Final answer
    x = 225,090.08

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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.