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Finding the Fourth Proportional to 223,696.08, 335,554.65 and 65,925.90

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Solution

The fourth proportional to 223,696.08, 335,554.65 and 65,925.90 is: 98,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,696.08 : 335,554.65 = 65,925.90 : x
  2. Step 2: Convert to fraction form
    223,696.08/335,554.65 = 65,925.90/x
  3. Step 3: Cross multiply
    223,696.08x = 335,554.65 × 65,925.90
  4. Step 4: Simplify right side
    223,696.08x = 22,121,742,300.44
  5. Step 5: Solve for x
    x = 22,121,742,300.44/223,696.08
  6. Step 6: Final answer
    x = 98,891.95

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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.