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Finding the Fourth Proportional to 162,279.44, 223,932.84 and 90,653.84

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Solution

The fourth proportional to 162,279.44, 223,932.84 and 90,653.84 is: 125,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,279.44 : 223,932.84 = 90,653.84 : x
  2. Step 2: Convert to fraction form
    162,279.44/223,932.84 = 90,653.84/x
  3. Step 3: Cross multiply
    162,279.44x = 223,932.84 × 90,653.84
  4. Step 4: Simplify right side
    162,279.44x = 20,300,371,848.11
  5. Step 5: Solve for x
    x = 20,300,371,848.11/162,279.44
  6. Step 6: Final answer
    x = 125,095.16

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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.