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Finding the Fourth Proportional to 146,754.54, 202,522.14 and 86,327.64

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Solution

The fourth proportional to 146,754.54, 202,522.14 and 86,327.64 is: 119,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,754.54 : 202,522.14 = 86,327.64 : x
  2. Step 2: Convert to fraction form
    146,754.54/202,522.14 = 86,327.64/x
  3. Step 3: Cross multiply
    146,754.54x = 202,522.14 × 86,327.64
  4. Step 4: Simplify right side
    146,754.54x = 17,483,258,393.95
  5. Step 5: Solve for x
    x = 17,483,258,393.95/146,754.54
  6. Step 6: Final answer
    x = 119,132.66

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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.