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Finding the Fourth Proportional to 192,409.16, 265,598.88 and 172,230.44

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Solution

The fourth proportional to 192,409.16, 265,598.88 and 172,230.44 is: 237,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,409.16 : 265,598.88 = 172,230.44 : x
  2. Step 2: Convert to fraction form
    192,409.16/265,598.88 = 172,230.44/x
  3. Step 3: Cross multiply
    192,409.16x = 265,598.88 × 172,230.44
  4. Step 4: Simplify right side
    192,409.16x = 45,744,211,965.91
  5. Step 5: Solve for x
    x = 45,744,211,965.91/192,409.16
  6. Step 6: Final answer
    x = 237,744.46

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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.