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Finding the Fourth Proportional to 207,261.60, 310,759.16 and 136,100.16

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Solution

The fourth proportional to 207,261.60, 310,759.16 and 136,100.16 is: 204,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,261.60 : 310,759.16 = 136,100.16 : x
  2. Step 2: Convert to fraction form
    207,261.60/310,759.16 = 136,100.16/x
  3. Step 3: Cross multiply
    207,261.60x = 310,759.16 × 136,100.16
  4. Step 4: Simplify right side
    207,261.60x = 42,294,371,397.47
  5. Step 5: Solve for x
    x = 42,294,371,397.47/207,261.60
  6. Step 6: Final answer
    x = 204,062.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.