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Finding the Fourth Proportional to 160,203.90, 240,232.95 and 85,304.82

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Solution

The fourth proportional to 160,203.90, 240,232.95 and 85,304.82 is: 127,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,203.90 : 240,232.95 = 85,304.82 : x
  2. Step 2: Convert to fraction form
    160,203.90/240,232.95 = 85,304.82/x
  3. Step 3: Cross multiply
    160,203.90x = 240,232.95 × 85,304.82
  4. Step 4: Simplify right side
    160,203.90x = 20,493,028,557.82
  5. Step 5: Solve for x
    x = 20,493,028,557.82/160,203.90
  6. Step 6: Final answer
    x = 127,918.41

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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.