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Finding the Fourth Proportional to 223,602.32, 335,405.48 and 63,678.12

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Solution

The fourth proportional to 223,602.32, 335,405.48 and 63,678.12 is: 95,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,602.32 : 335,405.48 = 63,678.12 : x
  2. Step 2: Convert to fraction form
    223,602.32/335,405.48 = 63,678.12/x
  3. Step 3: Cross multiply
    223,602.32x = 335,405.48 × 63,678.12
  4. Step 4: Simplify right side
    223,602.32x = 21,357,990,085.71
  5. Step 5: Solve for x
    x = 21,357,990,085.71/223,602.32
  6. Step 6: Final answer
    x = 95,517.75

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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.