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Finding the Fourth Proportional to 303,575.55, 455,116.01 and 113,929.35

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Solution

The fourth proportional to 303,575.55, 455,116.01 and 113,929.35 is: 170,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,575.55 : 455,116.01 = 113,929.35 : x
  2. Step 2: Convert to fraction form
    303,575.55/455,116.01 = 113,929.35/x
  3. Step 3: Cross multiply
    303,575.55x = 455,116.01 × 113,929.35
  4. Step 4: Simplify right side
    303,575.55x = 51,851,070,624.25
  5. Step 5: Solve for x
    x = 51,851,070,624.25/303,575.55
  6. Step 6: Final answer
    x = 170,801.21

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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.