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Finding the Fourth Proportional to 207,279.93, 286,047.55 and 116,637.42

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Solution

The fourth proportional to 207,279.93, 286,047.55 and 116,637.42 is: 160,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,279.93 : 286,047.55 = 116,637.42 : x
  2. Step 2: Convert to fraction form
    207,279.93/286,047.55 = 116,637.42/x
  3. Step 3: Cross multiply
    207,279.93x = 286,047.55 × 116,637.42
  4. Step 4: Simplify right side
    207,279.93x = 33,363,848,229.32
  5. Step 5: Solve for x
    x = 33,363,848,229.32/207,279.93
  6. Step 6: Final answer
    x = 160,960.34

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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.