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Finding the Fourth Proportional to 207,497.60, 286,342.92 and 116,853.20

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Solution

The fourth proportional to 207,497.60, 286,342.92 and 116,853.20 is: 161,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,497.60 : 286,342.92 = 116,853.20 : x
  2. Step 2: Convert to fraction form
    207,497.60/286,342.92 = 116,853.20/x
  3. Step 3: Cross multiply
    207,497.60x = 286,342.92 × 116,853.20
  4. Step 4: Simplify right side
    207,497.60x = 33,460,086,499.34
  5. Step 5: Solve for x
    x = 33,460,086,499.34/207,497.60
  6. Step 6: Final answer
    x = 161,255.29

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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.