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Finding the Fourth Proportional to 192,279.48, 288,016.92 and 154,636.08

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Solution

The fourth proportional to 192,279.48, 288,016.92 and 154,636.08 is: 231,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,279.48 : 288,016.92 = 154,636.08 : x
  2. Step 2: Convert to fraction form
    192,279.48/288,016.92 = 154,636.08/x
  3. Step 3: Cross multiply
    192,279.48x = 288,016.92 × 154,636.08
  4. Step 4: Simplify right side
    192,279.48x = 44,537,807,482.47
  5. Step 5: Solve for x
    x = 44,537,807,482.47/192,279.48
  6. Step 6: Final answer
    x = 231,630.58

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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.