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Finding the Fourth Proportional to 207,373.84, 286,161 and 116,725.12

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Solution

The fourth proportional to 207,373.84, 286,161 and 116,725.12 is: 161,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,373.84 : 286,161 = 116,725.12 : x
  2. Step 2: Convert to fraction form
    207,373.84/286,161 = 116,725.12/x
  3. Step 3: Cross multiply
    207,373.84x = 286,161 × 116,725.12
  4. Step 4: Simplify right side
    207,373.84x = 33,402,177,064.32
  5. Step 5: Solve for x
    x = 33,402,177,064.32/207,373.84
  6. Step 6: Final answer
    x = 161,072.28

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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.