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Finding the Fourth Proportional to 223,260.48, 334,897.20 and 98,611.20

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Solution

The fourth proportional to 223,260.48, 334,897.20 and 98,611.20 is: 147,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,260.48 : 334,897.20 = 98,611.20 : x
  2. Step 2: Convert to fraction form
    223,260.48/334,897.20 = 98,611.20/x
  3. Step 3: Cross multiply
    223,260.48x = 334,897.20 × 98,611.20
  4. Step 4: Simplify right side
    223,260.48x = 33,024,614,768.64
  5. Step 5: Solve for x
    x = 33,024,614,768.64/223,260.48
  6. Step 6: Final answer
    x = 147,919.66

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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.