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Finding the Fourth Proportional to 192,355.88, 265,525.16 and 172,177.16

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Solution

The fourth proportional to 192,355.88, 265,525.16 and 172,177.16 is: 237,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,355.88 : 265,525.16 = 172,177.16 : x
  2. Step 2: Convert to fraction form
    192,355.88/265,525.16 = 172,177.16/x
  3. Step 3: Cross multiply
    192,355.88x = 265,525.16 × 172,177.16
  4. Step 4: Simplify right side
    192,355.88x = 45,717,365,768.83
  5. Step 5: Solve for x
    x = 45,717,365,768.83/192,355.88
  6. Step 6: Final answer
    x = 237,670.75

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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.