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Finding the Fourth Proportional to 223,385.48, 335,061.80 and 65,626.28

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Solution

The fourth proportional to 223,385.48, 335,061.80 and 65,626.28 is: 98,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,385.48 : 335,061.80 = 65,626.28 : x
  2. Step 2: Convert to fraction form
    223,385.48/335,061.80 = 65,626.28/x
  3. Step 3: Cross multiply
    223,385.48x = 335,061.80 × 65,626.28
  4. Step 4: Simplify right side
    223,385.48x = 21,988,859,504.10
  5. Step 5: Solve for x
    x = 21,988,859,504.10/223,385.48
  6. Step 6: Final answer
    x = 98,434.60

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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.