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Finding the Fourth Proportional to 223,311.69, 335,001.02 and 65,521.53

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Solution

The fourth proportional to 223,311.69, 335,001.02 and 65,521.53 is: 98,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,311.69 : 335,001.02 = 65,521.53 : x
  2. Step 2: Convert to fraction form
    223,311.69/335,001.02 = 65,521.53/x
  3. Step 3: Cross multiply
    223,311.69x = 335,001.02 × 65,521.53
  4. Step 4: Simplify right side
    223,311.69x = 21,949,779,054.35
  5. Step 5: Solve for x
    x = 21,949,779,054.35/223,311.69
  6. Step 6: Final answer
    x = 98,292.12

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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.