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Finding the Fourth Proportional to 151,901.58, 207,802.41 and 151,261.92

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Solution

The fourth proportional to 151,901.58, 207,802.41 and 151,261.92 is: 206,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,901.58 : 207,802.41 = 151,261.92 : x
  2. Step 2: Convert to fraction form
    151,901.58/207,802.41 = 151,261.92/x
  3. Step 3: Cross multiply
    151,901.58x = 207,802.41 × 151,261.92
  4. Step 4: Simplify right side
    151,901.58x = 31,432,591,517.23
  5. Step 5: Solve for x
    x = 31,432,591,517.23/151,901.58
  6. Step 6: Final answer
    x = 206,927.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.